react[ri'ækt; ri:-]

• vi.
  • 产生作用；作出反应(常与 to 连用)：

    I shouted at her,but she didn't react at all.

    我向她大声喊叫，但她毫无反应。

    The management reacted to the demand of workers by increasing their wages since April.

    资方对工人的要求作出反应，答应从四月份起增加工资。

  • 对…起反应；对…有影响；对…起作用(常与 on，upon 连用)：

    Some kinds of acids react on metals to cause chemical changes.

    有几种酸对金属起作用，会引起化学变化。

    The machine building industry reacted upon the coal industry considerably.

    机器制造业对煤炭工业产生很大影响。

  • 反抗；反动(常与 against 连用)：

    The people reacted against the oppression of the government by holding a demonstration.

    人民举行游行示威，反抗政府的压迫。

  • • 【化学】起化学作用，产生化学反应
    • 【物理学】起反应(常与 with， on 连用)：

      An acid can react with a base to form a salt.

      酸与碱产生化学反应而形成盐。

  • 朝相反方向移动；恢复原状：

    The cotton price reacted strongly after a brief drop.

    棉价暂跌之后又猛涨起来。

  • 起反作用；反过来起作用：

    Unkindness often reacts on the unkind person.

    恶人常有恶报。

  • 【军事】反攻
• vt.
  • 使起反应，使发生作用(常与with连用)：

    They produced ethylchloride by reacting chloride with waste.

    他们使氯和废料相互作用而产生氯乙烷。