1、expand
扩充;扩大;增加
Engineers noticed that the pipes were not expanding as expected.
工程师注意到管道并没有如预期那样膨胀。
The money supply expanded by 14.6 per cent in the year to September.
截至9月,当年的货币供应增加了14.6%。
扩大;发展;扩展
The popular ceramics industry expanded towards the middle of the 19th century.
到19世纪中期,大众制陶业得到了发展。
The interest rate's coming down. I'll be able to expand or stay in business.
利率正在降低,我可以扩大公司或者维持经营。
2、subject
主题;题目;话题;题材;问题
It was I who first raised the subject of plastic surgery.
是我第一个提到整形手术这个话题的。
the president's own views on the subject.
总统在此问题上的个人观点
(批评、学习、调查的)对象
Over the past few years, some of the positions Mr. Meredith has adopted have made him the subject of criticism.
在过去的几年里,梅雷迪思先生所采取的某些立场使他成为了批评的对象。
He's now the subject of an official inquiry.
他现在是官方调查的对象。
(知识、研究)领域;(尤指)学科,科目,课程
Surprisingly, mathematics was voted their favourite subject.
令人惊讶的是,数学课被选为他们最喜欢的科目。
a tutor in maths and science subjects.
辅导数学和理科课程的家教