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- After it was mixed with epoxy resin,transition state was formed first.Then they got on with opening ring reactions according to bimolecular nucleophilic substitution mechanism(SN2). 它与环氧树脂混合后首先形成过渡状态，然后按双分子亲核取代(SN2)机理进行开环反应。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- Keywords phenylhydrazine carbonyl compounds close ring reaction application; 苯肼;羰基化合物;成环反应;应用;
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- I'm displeased at your reaction. 我对你的反应很不满意。
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- The music was so loud it made my ears ring. 音乐的声音太大了，把我耳朵震得直响。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- The policeman felt that my story didn't ring true. 警察认为我讲的话听起来不可信。
- She wears a ring round her wrist. 她的手腕上戴着一只镯子。
- Ring the correct answer with your pencil. 用铅笔圈出正确的答案。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- A pull on the rope will make the bell ring. 一拉绳子钟就响。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
