There's a channel in the middle of the old street to help rainwater flow away.

旧街道中央有一条沟渠来排放雨。

I wormed my way along the roadside ditch.

我慢慢地沿着路边沟渠向前走。

The rain has filled up the ditches again.

雨沟渠给灌满了。

A ditch diverted water from the stream into the fields.

一条沟渠从河里引向田间。

The running water from the mountain top eroded a gulley along the slope.

从山上流下在山坡上冲蚀出一条沟渠。

It is that treat the person who love you chillily,digging a ditch nobody can jump out.

用自己冷漠，待爱你人，掘出了一条无法跨越沟渠。

The stream from the mountain slope fretted a channel through the soft earth along the mountain foot.

"山坡上下来小溪流侵袭着松软土地,沿着山脚跟形成了一条沟渠。"