cyclopentanone是什么意思？

Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.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.Methyl dihydrojasmonate was synthesized fro...

cyclopentanone的音标：cyclopentanone的英式发音音标为：[saɪkləʊ'pentənəʊn]cyclopentanone的美式发音音标为：[saɪkloʊ'pentənoʊn]...

Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.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.Methyl dihydrojasmonate was synthesized fro...

研究地形图中地物图符的提取方法,并以居民区为例实现其特征信息的提取.Studies methods of recognizing ground symbols in relief maps to extract data that residential symbols represent....

The trade pacts will spur an exodus of US businesses to Mexico.这些贸易协定将会促使大批美国企业涌向墨西哥。capital exodus资本逃避Every summer there is an exodus from the city.每年夏季都有很多人成群离开这座城市....the exodus of the Hebrews from Egypt.希伯来人出埃及之事The ...

thud的现在进行时为：thudding...

“菲利斯”的英语可以翻译为：[人名] Fillis ...

sheathes的音标：...

altimeter的音标：altimeter的英式发音音标为：['æltɪmi:tə(r)]altimeter的美式发音音标为：[æl'tɪmətər]...

original的复数形式为：originals...

scants的音标：...

vt.& vi.挤，榨，捏，压迫，压榨vt.榨取，汲取，轻轻地捏，向…勒索（或榨取）vi.在强压下屈服，施加压力，挤过去n.挤压，压榨，抱紧，拥挤，拥挤的人群，压力...

v.预示，表示( betoken的第三人称单数 )...

circumvolves的音标：...

featherstitching的音标：...

婚姻生活并不像他想象的那么浪漫美好。Married life was not as idyllic as he had imagined.想象一下那长长的金色海滩吧，在那里你可以独自徜徉。Imagine long golden beaches where you can wander in solitude.你根本不是你自己想象的那种人。You're not half the man you think you are....

Arcturus的音标：Arcturus的英式发音音标为：[ɑ:k'tjurəs]Arcturus的美式发音音标为：[ɑrk'tʊrəs, -'tjʊr-]...

investigate的近义词/同义词有：probe, inspect, review, scrutinize, study, research, explore, examine, search, search, scrutinize, study, examine, prospect, review, analyse, explore, audit, probe, inspect, canvass, inquire。vt.inves...