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(1)作出反應(yīng)((of a person or thing) act in response to another person or stimulation)[I，I+prep(to)]：～badly(positively/negatively/strongly) to the criticism/the idea/the suggestion 對那批評/意見/建議作出不好(積極/消極/強烈)的反應(yīng);Workers～ed by striking in June. 工人們通過6月份罷工作出了反應(yīng)。How is your patient～ing to the course of treatment? 你的病人對這個療程有什么反應(yīng)?〖同〗respond;

(2)反抗(對)(act in an opposing or contrary manner)[I，I+prep(against)]：～against sb's suggestion/sb's strictness/Victorian traditions/the political system/the dictator反對某人的建議/某人的嚴(yán)厲/維多麗亞時代的傳統(tǒng)/這種政治體制/那個獨裁者;～against oppression 反抗壓迫;

(3)起作用，產(chǎn)生影響(have a particular effect(up)on sth)[I+prep(on)]：～on each other 相互作用;～on industry/market 對工業(yè)/市場產(chǎn)生影響;The rise of grain costs～ed on the price of cooking oil. 糧食成本的上漲對食用油的價格產(chǎn)生了影響。

(4)起化學(xué)反應(yīng)(undergo chemical changes)[I，I+prep(with)，I+adv(together)]：Hydrogen～s with oxygen. 氫與氧起反應(yīng)。Oxygen～s vigorously with the impurities in the iron. 氧與鐵中的雜質(zhì)產(chǎn)生強烈的化學(xué)反應(yīng)。Iron and water～together. 鐵與水能起反應(yīng)。

→ re′active adj 反應(yīng)的;反對(動)的;re′actor n 反應(yīng)器;反應(yīng)堆(劑);re′action n