diphenylmethane怎么读

n.二苯基甲烷...

A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.制备了以自制聚醚酯多元醇 、 二异氰酸酯和1, 4- 丁二醇交联剂为原料合成的聚氨酯弹性体,研究了其力学性能....

entry的近义词/同义词有：access, portal, entrance, passageway, entree, gate, door, approach, admittance, ingress, opening, jotting, bulletin, account, note, statement, item, record, rival, competitor, contestant, opponent, mouth, ...

cloudiness的音标：cloudiness的英式发音音标为：['klaʊdɪnəs]cloudiness的美式发音音标为：['klaʊdɪnəs]...

fieldfare的音标：fieldfare的英式发音音标为：['fi:ldfeə]fieldfare的美式发音音标为：['fildˌfer]...

Bennettitatae的音标：...

在原油集输中,表面活性剂用作破乳剂 、 消泡剂、除油剂 、 防垢剂 、 缓蚀剂 、 杀菌剂等.Surfactants used in gathering transportation, include demulsifier, defoamer , deoiler inhibitor, corrosion inhibitor, bactericide etc.现有防垢剂主要有氨基多羧酸盐类 、 有机多元膦酸类以及有机聚合物三大类.The...

我向下滚动文档搜索“美利坚合众国”。I scrolled down to find "United States of America".当然,用超文本链接因特网文档并不是安德烈亚森发明的.Certainly, Andreessen didn't think up using hypertext to link Internet documents.按“退出”返回文档。Press Exit to return to your ...

jurist的复数形式为：jurists...

peers的音标：peers的英式发音音标为：['pɪəz]peers的美式发音音标为：['pɪrz]...

“晶洞状”的英语可以翻译为：miarolitic ...

endovaccination的音标：endovaccination的英式发音音标为：[endəʊvæksɪ'neɪʃn]endovaccination的美式发音音标为：[endoʊvæksɪ'neɪʃn]...

right的现在进行时为：righting...

thresh的音标：thresh的英式发音音标为：[θreʃ]thresh的美式发音音标为：[θrɛʃ]...

“构筑”的拼音为：gòu zhù...

She had shared responsibility for her brother since girlhood.她还是个小姑娘的时候就分担起照顾弟弟的责任。None of these people will admit responsibility for their actions.这些人都不会愿意为自己的行为负责。I wouldn't call it a burden; I call it a responsib...