岩石的下面布满了海草.The underside of the rock was covered with seaweed.突然间她被海草缠住了.Suddenly she was entangled in the seaweed.有一些绿色海草--如扁管海藻--东一片西一块地长得很好.Some green seaweeds such as enteromorpha flourished in spots....

“海草”的英语可以翻译为：sea grass，sea-plant，sea-weed，wrack，seaweed ...

“海草”的拼音为：hǎi cǎo...