Polyacrylonitrile is insoluble in acrylonitrile.

Now that you have expressed your determination, you should act.

你既表示了决心, 就应该见之于行动.

The thief shook in his shoes when he was caught in the act.

小偷作案时被当场抓住,吓得发抖.

Now , none of your empty talk . Let's see how you act.

不要放空炮,拿出行动来.

The legislature repealed the unpopular Rent Act.

立法机关废除了不得人心的租借法案.

Don't make a rash act.

不要轻举妄动.

Who will act as mediator in the dispute.

谁在争端中充当调解人?

He was detected in the act of stealing.

他在偷窃时被当场发觉.

Mr. Jones will act as receiver for the company that has failed in business.

琼斯先生将作为那个破产公司破产的清算管理人.

By gravitation the sun and planets act and react upon one another.

太阳与行星通过引力发挥作用并相互影响.

This is an act that outrages public opinion.

这是违反民意的做法.

The desire to be rich possessed him to act so.

发财的欲望使他做出如此之事来.

The government must act to firm prices up.

政府必须采取措施稳定物价.

The Labour Party repealed the Act.

工党废除了那项法令.

As the chairman is ill, I'm asking Mr. Sharp to act for him.

由于主席患病, 我请夏普先生代理主席一职.

I query very much whether it is wise to act so hastily.

我真怀疑如此操之过急地行动是否明智.

He described the killing as a dastardly act.

他把这起谋杀称为极其卑劣的行为。

an act of penance

赎罪善功

a deliberate act of vandalism

故意毁坏的行为

And through the G 20, we've agreed to act against protectionism , which would only harm everybody's interests.

通过二十国集团, 我们还就反对保护主义达成了共识.保护主义只会对我们造成伤害.

Never express anything unbecoming, nor act against the rules moral before your inferiors.

在身份比你低的人面前,决不要有任何不得体的言谈, 也不要有任何违背礼仪规则的举止.