https://online2.tingclass.net/lesson/shi0529/10000/10117/108.mp3
https://image.tingclass.net/statics/js/2012
The ship is going very fast.
船走得真快。
Perhaps she makes about 25 knots an hour.
每小時可能有25海里。
The ship is really tossing. I'm afraid well fall down on deck.
船搖晃得很厲害，恐怕我們會滑倒在甲板上。
Don't worry. I've worn nonskid shoes.
別擔心，我穿了防滑平底鞋。
The sea is very rough.
風浪很大。
