Whales are mammals that live in the sea.

鲸是生活在海洋中的哺乳动物。

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。

The waste was dumped in the sea.

废物倒入海中。

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。

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。

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。

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。

Turn a somersault in the sea!

在海里翻个跟斗！

The spaceship hit in the sea.

宇宙飞船坠入海中。

We swim in the sea when the weather is fine.

天气好的时候我们就在海里游泳。

If you like water, you can surf in the sea.

如果你喜欢水，你可以在海里冲浪。

Before he retired, he hoped to grow rice in the sea!

在他退休之前，他希望能在海里种出水稻！

When you've finished with me, I will be back in the sea again.

当你用完我之后，我就会再次回到大海里。

The balloon moves back down from space until it falls down in the sea.

气球从太空返回，直到落在海里。

I saw some pictures of the sea animals influenced by the rubbish in the sea.

我看到了一些海洋动物的图片，它们受到了海洋垃圾的影响。

It is difficult to build a dam in the sea, and the cost is very high.

在海里建水坝十分困难，成本也很高。

Environmentalists become quite worried because a countless number of wasted masks have ended up in the sea!

环保人士非常担心，因为无数废弃的口罩最终进入了海洋！

"Help! Help my baby!" A woman was screaming, "My baby is in the buggy in the sea."

“救命！救救我的孩子！”有个女人在尖叫，“我的孩子还在婴儿车上，掉进海里了。”

The first pea wanted to fly in the sky, and the second one's wish was to swim in the sea.

第一颗豌豆想在天空中飞翔，第二颗豌豆的愿望是在海里游泳。

Around the world, 300 million tons of plastic is created each year, of which about 10 percent ends up in the sea.

全世界每年产生3亿吨塑料，其中约10%最终进入海洋。

In this country, there are many hotels facing the sea, so you can have fun on the beach or swim in the sea.

在这个国家，有很多面向大海的酒店，所以你可以在沙滩上尽情玩乐，或者在海里游泳。

I see a starfish in the sea.

我在海里看见一只海星。

Some of us have swum in the sea.

我们中有些人在海里游过泳。

The seal lives in the sea.

海豹生活在海里。

Turtles live in the sea.

海龟住在海里。

There are eight dolphins in the sea.

海里有8只海豚。

There are many penguins in the Sea World.

海洋世界有很多企鹅。

I swim in the sea.

我在海里游泳。

A turtle is caught by a fisherman in the sea.

一个打渔的人，在海里捕到了一只海龟。

You will find many strange animals in the sea.

你会在海里发现许多奇怪的动物。