What do know about the sea? Some people have seen it but others haven't. The sea looks beautiful on a fine sunny day and it can be very tough when there is a strong wind. What other things do you know about it? Of course, the sea is very large. In the world there is more sea than land. If you have swum in the sea, you know that the sea is salty. Rivers carry salt from the land into the sea. Some places of the sea are saltier than the other places. Do you know the Dead Sea? It is so salty that you can't sink when you are in the water! And fish cannot live in it!
对海有什么了解？有人看过，但也有人看过。在晴朗的天气里，大海看起来很美，有大风的时候，它会很难熬。你还知道什么？当然，大海很大。世界上海多于陆。如果你在海里游泳，你就知道大海是咸的。河流把盐从陆地运到海里。有些地方比其他地方咸。你知道死海吗？它太咸了，你在水里就不会沉下去了！鱼不能在里面生存！