1·Whales are mammals that live in the sea.
鲸是生活在海洋中的哺乳动物。
2·There were no longer enough fish in the sea for the stock to maintain itself, let alone an industry.
海里已经没有足够的鱼来维持鱼类自身的生存，更不用说维持一项产业了。
3·The waste was dumped in the sea.
废物倒入海中。
—— 《牛津词典》
4·The bombs fell in the sea, many too close for comfort.
那些炸弹落进了海里，很多落得太近而使人不安。
—— 《柯林斯英汉双解大词典》
5·It seems there are not very many of them left in the sea.
似乎在海洋中它们所剩不多了。
—— 《柯林斯英汉双解大词典》
6·Many organisms that die in the sea are soon buried by sediment.
许多在海里死亡的生物很快便被沉淀物掩埋。
—— 《柯林斯英汉双解大词典》
7·The wild weather did not deter some people from taking an unseasonable dip in the sea.
狂风暴雨的天气并没有使一些不合时宜地到海里游泳的人却步。
—— 《柯林斯英汉双解大词典》
8·Turn a somersault in the sea!
在海里翻个跟斗！
9·The spaceship hit in the sea.
宇宙飞船坠入海中。
10·We swim in the sea when the weather is fine.
天气好的时候我们就在海里游泳。