A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指的部件,它能使钢琴发出音。

The engine is knocking.

发动机发出的声音。

Repeated blows splintered the door. To

不断的把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻琴（GlassArmonica）的发明者，这是一种通转动的玻瓶发声的。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

，着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音不断的声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——键盘，目睹连动杆在一张纸上打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐。

The engine is knocking.

发动机发出敲击的。

Repeated blows splintered the door. To

断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻琴（GlassArmonica）的发明者，这是一种通过敲击转动的玻瓶发的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的乐断的敲击使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

键是钢上用手指敲击的部件,它能使钢乐音。

The engine is knocking.

动机敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻（GlassArmonica）的明者，这是一种通过敲击转动的玻瓶声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音。

The engine is knocking.

发动机发出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻琴（GlassArmonica）的发明者，这是一种通过敲击转动的玻瓶发声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

键是上用手指敲击的部件,它能使出乐音。

The engine is knocking.

动机出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻（GlassArmonica）的明者，这是一种通过敲击转动的玻瓶声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴琴上用手指敲击的部件,它能使琴发出乐音。

The engine is knocking.

发动发出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他玻琴（GlassArmonica）的发明者，这一种通过敲击转动的玻瓶发声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字它透明的操作流程博得人们的眼球——敲击盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴琴上用手指敲击的部件,它能使琴发出乐音。

The engine is knocking.

发动发出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他玻琴（GlassArmonica）的发明者，这一种通过敲击转动的玻瓶发声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字它透明的操作流程博得人们的眼球——敲击盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音。

The engine is knocking.

发动机发出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

他是玻琴（GlassArmonica）的发明者，这是一种通过敲击转动的玻瓶发声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与，奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的操作流程博得人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打出字母。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音。

The engine is knocking.

发动机发出敲击的声音。

Repeated blows splintered the door. To

不断的敲击把门都打裂了。

He is believed to be the inventor of the glass armonica, a sort of spinning glass organ.

据说他是玻琴（GlassArmonica）的发明者，这是一种通过敲击转动的玻瓶发声的乐器。

Rain was drumming on the roof, wind fluting in the eaves of the cottage, sea performing glissandi with the beach.

雨，敲击着屋顶，风，吹拂着房檐；大海与沙滩，合奏着轻音乐。

The flash of strobe lights and the insistent beat of the music made the disco a favorite gathering place for young people.

频闪灯的亮光和音乐不断的敲击声使迪斯科舞厅成为年青人喜爱的聚集地。

A typewriter is also appealing in its transparency — whack a key, and watch the typebar smack a letter onto a piece of paper.

打字机也以它透明的程博得人们的眼球——敲击键盘，目睹连动杆在一张纸上敲打出字母。