单词详解

1. vi.

A. 作出反应，反应 [(+to)] (show a response or a reaction to something)
How did they react to the news? 他们对这个消息反应如何?

Ｂ. 影响，起作用[(+on/upon)]（ undergo a chemical reaction; react with another substance under certain conditions）

The two materials react upon each other. 这两种物质互相影响。

C. 抗拒，反抗 [(+against)] ( act against or in opposition to)
Workers tend to react against their government for the low payment.

工人们因工资低向政府抗议。

Ｄ. 起反作用，回过来起作用［(+on/upon)]
Unkindness often reacts on the unkind person. 恶人往往有恶报。

Ｅ. 【化】起化学作用；【物】反应 [(+ with / on)]
How do acids react on metals? 酸对金属会起怎样的化学反应?

2. vt. 使起 (化学) 反应，使发生相互作用 [(+with)]

　We make salt by reacting an acid with a base. 我们用酸和碱起反应而生成盐。

相关词组

1. react against 作出反抗或反应

  The employees reacted against their boss by stopping working.

员工们以怠工的方式来反抗他们的老板。

2. react on / upon 对……产生影响

How do acids react on metals? 酸对金属起什么反应？

相关单词

　过去式： reacted

　现在分词：reacting

　过去分词： reacted

　第三人称单数：reacts