alkyl是什么意思

The synthetic method, main properties and application of alkyl indican has been introduced.本文介绍了烷基糖苷的合成方法, 主要性能和用途.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reacta...

alkyl的音标：alkyl的英式发音音标为：['ælkɪl]alkyl的美式发音音标为：['ælkɪl]...

Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.The general answer to this problem is to avoid alkyl halides.解决这一问题的一般办法是避免使用烷基卤.Nonionic surface - active a...

anotus的音标：anotus的英式发音音标为：[æ'nəʊtəs]anotus的美式发音音标为：[æ'noʊtəs]...

But the whole question of aid is a tricky political one.但是整个援助问题是个非常复杂的政治问题。It's been a tricky business marketing his new invention.推广他的新发明一直是件棘手的事情。Parking can be tricky in the town centre.在市镇中心停车可能会挺费事。This is a t...

“精素”的英语可以翻译为：[化] spermine ...

“视线”的拼音为：shì xiàn...

unscheduled的音标：unscheduled的英式发音音标为：[ʌn'ʃedju:ld]unscheduled的美式发音音标为：[ʌn'skedʒuld]...

“吊带”的英语可以翻译为：sling，suspenders，brace，suspensory，gallus ...

流产物...

The selection of TV programmes, especially at the weekend, leaves a lot to be desired...可供选择的电视节目，尤其是在周末的时候，还有大幅提升的空间。But it wasn't my desired to set abroach such memories.但我并不是有意要唤起对这些往事的回忆.However, I abated his cr...

“吝啬”的拼音为：lìn sè...

prune的现在进行时为：pruning...

“炉缸”的拼音为：lú gāng...

After a more thoughtful four bars ofp the soloist leaves the stage with a widespread arpeggio.若有所思的四小节的弱音之后,独奏者奏出宽幅的琶音.The soloist brought the house down with encore for his impressive voice.这位独唱家以他那感人的歌声博得全场喝彩.The orche...

“稀有”的英语可以翻译为：are，unusual，uncommon，not grow on every hedge，singularity ...

学位课程不讲授这个课题。The topic is not taught in degree courses.关于这个课题缺乏可靠资料。There was a dearth of reliable information on the subject.我要就我的研究课题同导师见一次面。I have a meeting with my supervisor about my research topic....

a lineal descendant of the company's founder公司创始人的直系后裔He is a lineal descendant of the company's founder.他是公司创始人的直系后裔。Gunpowder was the lineal successor of the Greek fire.火药是希腊火的直接衍生物....