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.

据说他是玻琴（GlassArmonica）的，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，，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.

是钢上用手指敲击的部件,能使钢发出乐音。

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（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件,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.

打字机也以透明的操作流程博得们的眼球——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。

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

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敲出字母。

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，敲击屋顶，风，吹拂房檐；大海与沙滩，合音乐。

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.

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.

琴键是钢琴上用手部件,它能使钢琴发出乐音。

The engine is knocking.

发动机发出声音。

Repeated blows splintered the door. To

不断把门都打裂了。

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

据说他是玻琴（GlassArmonica）发明者，这是一种通过转动玻瓶发声乐器。

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

雨，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.

频闪灯亮光和音乐不断声使迪斯科舞厅成为年青人喜集地。

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

打字机也以它透明操作流程博得人们眼球——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.

键上用手指敲击的部件,它能使发出乐音。

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（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母。

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,它能使钢琴发出乐音。

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，这是过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，屋顶，风，吹拂房檐；大海与沙滩，合奏轻音乐。

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，目睹连动杆在张纸上打出字母。