acetylene什么意思解释？

acetylene的音标：acetylene的英式发音音标为：[ə'setəli:n]acetylene的美式发音音标为：[ə'sɛtlˌin, -ən]...

This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals.论述了乙烯基醚类化合物的三种主要制备方法乙炔法 、 脱卤化氢法和缩醛热分解法.Allene is an isomer of methyl acetylene.丙二烯是甲基乙炔的一种异构体.In th...

Allene is an isomer of methyl acetylene.丙二烯是甲基乙炔的一种异构体.In the darkness, the machine gun spat a vindictive white light like an acetylene torch.机枪在黑暗中吐出一道凶厉的白光,活象一支喷火的乙炔吹管.In the high - pressure system both oxygen and acet...

ObjectiveTo investigate the intelligence characteristics and relativity with motor development of children with spastic diplegia.目的探讨痉挛型双瘫患儿的智力特征及与运动发育的相关性.Einstein formulated the Theory of Relativity in 1905.爱因斯坦于 1905 ...

n.小动脉...

狮齿菊属...

“概观”的英语可以翻译为：general survey，review，survey ...

irradiates的音标：...

adv.后台，秘密地，背地里，在幕后...

lithagogue的音标：lithagogue的英式发音音标为：['lɪθəɡɒɡ]lithagogue的美式发音音标为：['lɪθəɡɒɡ]...

boucle的音标：boucle的英式发音音标为：['bu:kleɪ]boucle的美式发音音标为：[]...

“听诊的”的英语可以翻译为：auscultatory，auscultative ...

betatopic的音标：betatopic的英式发音音标为：[bɪtæ'tɒpɪk]betatopic的美式发音音标为：[bɪtæ'tɒpɪk]...

Each child had to recite a poem to the class.每个孩子都得在班上背诵一首诗。I do not doubt ( but ) that he can recite it.我相信他能把它背下来.He is going to recite a poem.他将要朗诵一首诗....

用于防止舌后坠, 保障患者正常通气.Bite block and tongue depressor. insuring unobstructed ventilation....

水螨总科...

doorcase的音标：doorcase的英式发音音标为：['dɔ:keɪs]doorcase的美式发音音标为：['doʊrˌkeɪs]...

senator的复数形式为：senators...