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英语例句库

Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.

以对苯二甲酰酸酯和邻苯二胺原料通过界面缩法成了脲缓释微胶囊。

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双语版 TED-Ed 演讲精选

Named Kevlar, this alternating blend of 1,4-phenylene-diamine and terephthaloyl chloride combine at the molecular level to form a series of parallel chains.

这种由 1，4-基胺和甲酰氯交替混而成的化物为凯夫拉，在分子水平上结形成一系列平行链。

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look like, look on, look on sb, look on sb as, look out, look out for sb, look out on, look over, look over sth, look round,

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3G, 401(K), a,
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