“碳烯”用英语怎么说

某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.碳烯也可与醇反应.The carbene also reacts with alcohols.采用负载氢氟酸的USY分子筛作为催化剂,以苯...

on的音标：on的英式发音音标为：[ɒn]on的美式发音音标为：[ɑn]...

“代替者”的英语可以翻译为：[法] replacer，sub，fill-in，pinch hitter，replacement ...

“火柴”的英语可以翻译为：match ...

美达西泮...

“癫痫”的英语可以翻译为：[医] （羊痫风） epilepsia，epilepsy，epileptic，hieronosus，falling sickness ...

marquees的音标：marquees的英式发音音标为：[mɑ:'ki:z]marquees的美式发音音标为：[mɑr'kiz]...

n.乳酸基，乳酰基...

margent的音标：margent的英式发音音标为：['mɑ:dʒənt]margent的美式发音音标为：['mɑdʒənt]...

Any hostages in the firing line would have been sacrificed.任何射击线上的人质就都会成为牺牲品。He sacrificed his own career so that his avaricious brother could succeed.他牺牲了自己的事业，这样他贪婪的弟弟才能成功。Kitty Aldridge has sacrificed all for her firs...

brazen的一般过去时为：brazened...

这支足球队曾被誉为无敌的劲旅.This football team was once reputed to be invincible.沃德并不是发挥最稳定的球员，可是一旦进入状态，他似乎就是天下无敌的王者。Ward is not the most consistent of players, but when he is on song he looks a world-beater.他的中国功夫是无敌的。His Chinese ku...

host的现在进行时为：hosting...

His inspiration to fly came even before he joined the Army.他想开飞机的念头在参军之前就有了。Then the woodcutter let his axe fly— Thwack! Everyone heard it.然后那个伐木工脱手甩出了斧头。哐！每个人都听见了。You can fly direct to Amsterdam from most British airpor...

R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.蒸馏得质量分数高于98%的邻乙氧基苯甲酸,收率为92%.Distillation gave o ethoxybenzoic acid with 98 % of the p...

banters的音标：...