1、expand

擴充;擴大;增加

Engineers noticed that the pipes were not expanding as expected.

工程師注意到管道并沒有如預期那樣膨脹。

The money supply expanded by 14.6 per cent in the year to September.

截至9月，當年的貨幣供應增加了14.6％。

擴大；發展；擴展

The popular ceramics industry expanded towards the middle of the 19th century.

到19世紀中期，大眾制陶業得到了發展。

The interest rate's coming down. I'll be able to expand or stay in business.

利率正在降低，我可以擴大公司或者維持經營。

2、introduce

引進;首次引入;推行

The Government has introduced a number of other money-saving moves.

政府已經采取了其他一些省錢的舉措。

I kept the birds indoors all winter and introduced them into an aviary the following June.

整個冬天我把鳥關在室內,然后在接下來的6月份把它們放入鳥類飼養場飼養。

介紹;引薦;使相互認識

Tim, may I introduce you to my uncle's secretary, Mary Waller?

蒂姆,我來介紹一下，這位是我叔叔的秘書瑪麗·沃勒。

Someone introduced us and I sat next to him.

有人給我們作了介紹,我挨著他坐下了。

為(電視或廣播節目)做開場白;主持

'Health Matters' is introduced by Dick Oliver on BBC World Service.

英國廣播公司對外廣播頻道的“健康動態”節目由迪克·奧利弗主持。