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化学反应 [词典] [化] chemical reaction; [例句]催化剂是可以大大加速化学反应的物质。Catalysts are materials which greatly speed up chemical reactions.
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不及物动词 vi. 1. 作出反应,反应[(+to)]How did she react to the news? 她对这个消息反应如何? 2. 影响,起作用[(+on/upon)]The two react upon each other. 这两者互相影响。 3. 抗拒,反抗[(+against)]Children tend to react against their parents by going against their wishes. 孩子们通常以违背父母的意愿来反抗他们。 4. 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。 5. 【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? An acid can react with a base to form a salt. 酸和碱反应会产生盐。 6. 【军】反攻,反击及物动词 vt. 1. 使起(化学)反应;使发生相互作用[(+with)]We make superphosphate by reacting rock phosphate with sulphuric acid. 我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
