ditches
n. （马术）沟；壕沟；水道（ditch 的复数）
vt. 挖沟（ditch 的第三人称单数）；开沟于……
例句
The ditches had filled up with mud.
沟渠中积满了淤泥。
《牛津词典》
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。
