diolefin什么意思？

diolefin的音标：diolefin的英式发音音标为：[daɪ'əʊləfɪn]diolefin的美式发音音标为：[daɪ'oʊləfɪn]...

The research of copolymerization of ethylene and diolefin has theory value as well as practical significance.乙烯和共扼二烯烃的共聚合的研究不仅具有理论价值而且还有实际意义.In addition, the copolymerization of conjugated diolefin is the base to explore...

“床边”的拼音为：chuáng biān...

“鲟属”的拼音为：...

“不相称”的拼音为：bù xiāng chèn...

I can't seem to throw off this feeling of inertia.我好像无法摆脱这种无力的感觉。It took me a week to throw off my cold.我的感冒过了一周才算好了.I can not shake [ throw ] off my cold.我的感冒老是不好....

bifocal的音标：bifocal的英式发音音标为：[ˌbaɪ'fəʊkl]bifocal的美式发音音标为：[ˌbaɪ'foʊkl]...

n.经济发展政策...

“溶酶体”的英语可以翻译为：lysosome ...

chocks的音标：...

picnic的现在进行时为：picnicking...

antiquate的第三人称单数（三单）为：antiquates...

n.粗毛布，粗毛布所制衬衣...

hatpins的音标：...

undoing的音标：undoing的英式发音音标为：[ʌn'du:ɪŋ]undoing的美式发音音标为：[ʌn'duɪŋ]...

slavishly的音标：slavishly的英式发音音标为：['sleɪvɪʃlɪ]slavishly的美式发音音标为：['slevɪʃlɪ]...

I hasten to add that I knew nothing of the fraud at the time.我忙不迭地补充说,我当时对那个骗局一无所知.Mother read the children a bedtime story to hasten them to the land of Nod.妈妈给孩子们念催眠故事,使他们快快进入睡乡.The girls had to hasten their steps to k...