They were of great service in correcting my jejune generalizations.他们纠正了我不成熟的泛泛之论，帮了我大忙。Then she was gone, leaving me in unexpectedly jejune loneliness.于是她走了, 置我于意想不到的空虚孤独之中....
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....