1、expose

使暴露;使显露

Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.

海平面下降使白令海底部的浅层大陆架暴露出来mSGRY)p+w6tc。

For an instant his whole back was exposed.

一瞬间，他整个背部都露了出来fev8=Z(@H);nZz;v9hS~。

使暴露于（险境）;使遭受（危险或不快）

They had not been exposed to most diseases common to urban populations.

城市人口中多数常见的疾病他们都没有接触到pFMPz,U@bT,q66l^-5。

A wise mother never exposes her children to the slightest possibility of danger.

明智的母亲决不会让她的孩子置身于一丁点儿危险之中%3PJBN=K%NrI+。

使受…的影响(或熏陶);使接触

local people who've not been exposed to glimpses of Western life before.

过去丝毫未曾见识过西方生活的当地人

These units exposed children to many viewpoints of a given issue.

这些单元让孩子们接触到有关某一特定问题的多种观点aIm0j5l+4L,9*#4]c*+。

2、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wvus=f|mX)0*yv;SAj。

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百分之14.6E%JNRtQJFDCn[*Ri。

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&f6K5fyDLvb2OWGzm0。

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PZQbi0y0;6r。