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、subject

主題;題目;話題;題材;問題

It was I who first raised the subject of plastic surgery.

是我第一個提到整形手術這個話題的。

the president's own views on the subject.

總統在此問題上的個人觀點

(批評、學習、調查的)對象

Over the past few years, some of the positions Mr. Meredith has adopted have made him the subject of criticism.

在過去的幾年里，梅雷迪思先生所采取的某些立場使他成為了批評的對象。

He's now the subject of an official inquiry.

他現在是官方調查的對象。

(知識、研究)領域;(尤指)學科，科目，課程

Surprisingly, mathematics was voted their favourite subject.

令人驚訝的是，數學課被選為他們最喜歡的科目。

a tutor in maths and science subjects.

輔導數學和理科課程的家教