The ditches had filled up with mud.

沟渠中积满了淤泥。

Trakehners were originally fencelines that were built in drainage ditches.

特拉肯纳种马最初是建在排水沟里的围栏。

Some soldiers were told off to dig ditches.

一些士兵被派去挖壕沟。

They are digging irrigation ditches.

他们在挖灌溉渠。

Canals and drainage channels, ditches.

人工运河、排水渠、壕沟。