The cows are hungry--bring them some hay to eat.
这些牛很饿，给它们喂一些干草吃吧。

I have an appointment with them in the evening.

今晚我与他们有个约会。

All of them are international students from different countries.
他们都是来自不同国家的国际学生。


Their family is very rich, they have their own servant to serve them food and drinks.
他们家非常有钱，他们有自己的仆人来上菜和上饮料。

Let's go visit them.

让我们去拜访他们吧

※The world can be changed by man's endeavor, and that this endeavor can lead to something new and better .No man can sever the bonds that unite him to his society simply by averting his eyes . He must ever be receptive and sensitive to the new ; and have sufficient courage and skill to novel facts and to deal with them . (Franklin Roosevelt , American President )——人经过努力可以改变世界，这种努力可以使人类达到新的、更美好的境界。没有人仅凭闭目、不看社会现实就能割断自己与社会的联系。他必须敏感，随时准备接受新鲜事物；他必须有勇气与能力去面对新的事实，解决新问题。(美国总统 罗斯福建. F.)  "
※Whom we love best to them we can say least. 对我们的最爱的人，我们可说的话最少。
※I want to bring out the secrets of nature and apply them for the happiness of man . I don't know of any better service to offer for the short time we are in the world .(Thomas Edison , American inventor)  我想揭示大自然的秘密，用来造福人类。我认为，在我们的短暂一生中，最好的贡献莫过于此了。 (美国发明家 爱迪生. T.)
※The world can be changed by man's endeavor, and that this endeavor can lead to something new and better .No man can sever the bonds that unite him to his society simply by averting his eyes . He must ever be receptive and sensitive to the new ; and have sufficient courage and skill to novel facts and to deal with them . (Franklin Roosevelt , American President )——人经过努力可以改变世界，这种努力可以使人类达到新的、更美好的境界。没有人仅凭闭目、不看社会现实就能割断自己与社会的联系。他必须敏感，随时准备接受新鲜事物；他必须有勇气与能力去面对新的事实，解决新问题。(美国总统 罗斯福建. F.)