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- Keywords Cnidilide;Stereoisome;Ester interchange ring closure reaction; 蛇床酞内酯;立体异构体;酯交换环合反应;
- Keywords engineering plastics,poly （aryl ether ketone）,poly （aryl ether sulfone ketone）,synthesis,property,Enamelled wires varnish,intramolecular ring closure reaction; 特种工程塑料;聚芳醚;聚芳醚（砜）酮;漆包线;合成;性能;
- Initially, the approach involved a simple ring closure, but this technique failed because the deeper aponeurotic tissues could not be approximated without tension in the repair. 最初是用一种单环闭合，但因深层腱膜组织在修补中不能无张力拉拢而失败。
- Keywords GCLE;cephalosporin intermedfiate;chloridize;ring closure; 头孢中间体;氯化;闭环;
- Keywords macrocyclic compoud;ring closure;diamide compound; 大环化合物;闭环反应;二酰胺化合物;
- The railway is under threat of closure. 那条铁路有停止运营的迹象。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The closure of the large factory made many workers live in idleness. 那家大工厂倒闭，使许多工人失业。
- 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？
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- 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。
- I'm displeased at your reaction. 我对你的反应很不满意。
- 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？
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- Police reported the closure of the road/that the road was closed. 警方宣布那条道路禁止通行。
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
