ethynyl是什么意思

In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexad...

ethynyl的音标：ethynyl的英式发音音标为：[e'θaɪnɪl]ethynyl的美式发音音标为：[e'θaɪnɪl]...

“不巧”的反义词：凑巧, 正好, 恰巧, 赶巧。...

Half the shops are boarded up on the estate's small shopping street.在该住宅区的小型购物街上有一半商店都已封上了门窗。Strapping the skis on the roof, we boarded the hovercraft in Dover.用带子把滑水板绑在船顶后，我们就在多佛登上了气垫船。The British navy boarded the ...

I read about the famous building called the Leaning Tower of Pisa.我读过有关著名的比萨斜塔的故事.The Leaning Tower of Pisa is easy to recognize.比萨斜塔非常醒目.The Leaning Tower of Pisa is famous for tilting toward the southwest.比萨斜塔因为倾向西南而闻名...

n.下皮，（节肢动物的）真皮...

run down的音标：run down的英式发音音标为：[rʌn daun]run down的美式发音音标为：[rʌn daʊn]...

explicate的现在完成时为：explicated...

“钓鱼者”的英语可以翻译为：fisherman，fishermen，rodster ...

n.精装书，精装本，硬封面的书adj.精装的，硬封面的...

embower的音标：embower的英式发音音标为：[ɪm'baʊə]embower的美式发音音标为：[em'baʊə]...

整笔拨款...

它的红外光谱与樟脑硝亚胺红外光谱相似.Its IR spectrum compared with that of comphor nitrimine.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.合适的有机亚胺反应剂具有多种组成和结构.The suitable organic imine react...

皮肤痉挛症...

那个吝啬鬼舍不得喂马.The mean man grudged the food his horse ate.那位马车夫中途停车喂马.The coachman baited his horses.你应该在喂马的饲料中加入一些料豆儿.You should add some beans to the horse feed....

Objective To observe the migratory route of Toxocara canis larvae in mice.目的观察犬弓首线虫幼虫在小鼠体内的移行情况.The fungal culture was positive for Microsporum canis.霉菌培养证实是犬小芽胞癣菌的感染.Objective To construct Giardia canis virus ( GCV ) tr...

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