The water in the ditch is not very clean.

沟里的水不很清洁。

《新英汉大辞典》

He went to look at the cart, on its side in the ditch.

他去看那辆车，它翻在沟里。

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Israel has sent an intelligence chief and a top negotiator to Cairo in a last ditch effort to win the release of captive Israeli soldier Gilad Shalit.

VOA: standard.2009.03.15

The head of a string of pigs appeared, snout-up, over the ditch, and he had to screech to a stop and watch the rear of the last pig disappear shaking into the ditch on the other side.

这时候出现了一群猪，仰着鼻子走过水渠，他只好用一个急刹车,目送着最后一只猪大摇大摆地跨过水沟,消失在另一端。

耶鲁公开课 - 1945年后的美国小说课程节选

If it could only ditch this electron, it could have the same electronic structure as neon.

如果它能失去这个电子，它就能和氖有一模一样的电子结构。

麻省理工公开课 - 固态化学导论课程节选

Right up through September, we optimists failed to see the ditch ahead in the road.

FORBES: Depression Ditch Within A Mild Recession

When he slept, his mind wandered back to the ambush, the ditch and the explosion.

WSJ: When the Fighting Stops: Troops Coming Home from Afghanistan

The ditch cleaved frogtown into two realms, and two powerful spirits held sway, one on each side.

NPR: Excerpt: 'The Prince of Frogtown'