一节沟槽a length of guttering一些砂洲和沟槽在低潮位时,露出于水面.Some of the bars and troughs are exposed by low tide.极耳产生一种 “ 压力 ” 作用与沟槽侧边相接触.The lug produces a " pinched " effect contact with the groove side....

“沟槽”的英语可以翻译为：ditch，slot，trench，depression，groove ...

“沟槽”的拼音为：gōu cáo...