react
/rɪˈækt/verb
no obj.
1- respond or behave in a particular way in response to something作出反应, 反应：
company bosses have reacted angrily to the new council demands
公司老板们对市政会的新要求作出愤怒的反应
the market reacted by falling a further 3.1%.
市场的反应是又下跌了3.1%.
1.1
react against
respond with hostility, opposition, or a contrary course of action to敌视; 反对; 与…反其道而行之：they reacted against the elite art music of their time.
他们摒弃当时的高雅艺术音乐, 另搞一套。
1.2
- (of a person) suffer from adverse physiological effects after ingesting, breathing, or touching a substance（人咽下、吸入或触及东西时）产生不良生理反应：
many babies react to soy-based formulas.
许多婴儿对以大豆为主的配方奶粉有不良反应。
1.3
- Chemistry & Physics interact and undergo a chemical or physical change【化, 物理】起化学作用; 反应：
the sulphur in the coal reacts with the limestone during combustion.
煤炭中的硫磺燃烧时与石灰石起化学反应。
1.4
- with obj. Chemistry cause (a substance) to undergo such a change by interacting with another substance【化】使（物质）起化学反应。
1.5
- Stock Exchange (of share prices) fall after rising.【股票】（股票价格）回跌。
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