We will use it for cleaning the inside of the ship. If we do this, we shall have less sickness. Please get me 300 litres. I think that will be enough.

我们将要用醋清理船舱。如果我们这样做的话，我们就会少生些病。请给我购买300升。我想这就够了。

It seems she was in class on Friday afternoon, but no one has seen her since.

好象她星期五还在教室，但从那以后没人看见过她。

The Bison on the Plains of America

美洲平原上的野牛

You have to be able to plan your work so that all your jobs will be finished in time.

以便你的工作能及时完成。

One day a letter from my father arrived at the school, asking for a teacher for me.

有一天，我父亲的信寄到学校，请求为我聘用一名教师。

In 1898 a law was passed which meant that all people above a certain age were paid a weekly old-age pension.

1898年通过了一项法令，规定一定年龄以上的人全都可以按周领取"老年养老金。