ketal怎么读？

n.酮缩醇，缩酮...

Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...

n.毫微克，10的-9次方...

fissionability的音标：fissionability的英式发音音标为：[fɪʃnəbɪ'lɪtɪ]fissionability的美式发音音标为：[fɪʃnəbɪ'lɪtɪ]...

“平底船”的英语可以翻译为：flatboat，keel，pram，punt，ponton ...

degenerate的现在进行时为：degenerating...

nods的音标：...

a laudatory review of the new play对这出新戏给予表扬The New York Times has this very laudatory article about your retirement...《纽约时报》发文谈及你的隐退，文中对你大加赞扬。Beth spoke of Dr. Hammer in laudatory terms.贝丝谈及哈默医生时赞不绝口。Now , when Carrie he...

buryingplace的音标：buryingplace的英式发音音标为：[berɪŋp'leɪs]buryingplace的美式发音音标为：[berɪŋp'leɪs]...

Gunn的音标：...

stencil的音标：stencil的英式发音音标为：['stensl]stencil的美式发音音标为：['stɛnsəl]...

fro的音标：fro的英式发音音标为：[frəʊ]fro的美式发音音标为：[froʊ]...

我得了严重的关节炎和慢性鼻窦炎。I developed serious arthritic symptoms and chronic sinusitis.我仍然患有黏膜炎和鼻窦炎。I still suffer from catarrh and sinus problems.我服用了抗生素来治疗鼻窦炎，但似乎未能根治。I have had antibiotics for my sinusitis but it doesn't s...

“情报学”的英语可以翻译为：information science，informatics ...

“驯服”的拼音为：xún fú ...

The organization helped defuse potentially violent situations.该组织帮忙化解了可能出现的暴力局面。Local police are trying to defuse racial tension in the community.当地的警察竭力缓和这个社区种族间的紧张局面。The two groups will meet next week to try to defuse ...

hemiatonia的音标：hemiatonia的英式发音音标为：['hi:mɪeɪtnjə]hemiatonia的美式发音音标为：['himɪeɪtnjə]...