depentanizer的音标：depentanizer的英式发音音标为：[dɪpen'tænaɪzə]depentanizer的美式发音音标为：[dɪpen'tænaɪzə]...

乙基戊烷...

cyclopentadecanone的音标：cyclopentadecanone的英式发音音标为：[saɪkləʊpentædɪkæ'nən]cyclopentadecanone的美式发音音标为：[saɪkloʊpentædɪkæ'nən]...

细五角瓜参属...

二茂锡...

n.（航空汽油中）加异戊烷，加入异戊烷...

环喷他明...

n.环戊酮...

repentance的音标：repentance的英式发音音标为：[rɪ'pentəns]repentance的美式发音音标为：[rɪ'pɛntəns]...

cyclopentamine的音标：cyclopentamine的英式发音音标为：[saɪkləʊpen'tæmaɪn]cyclopentamine的美式发音音标为：[saɪkloʊpen'tæmaɪn]...

unrepentant的音标：unrepentant的英式发音音标为：[ˌʌnrɪ'pentənt]unrepentant的美式发音音标为：[ˌʌnrɪ'pɛntənt]...

环戊二烯基...

维静宁...

Penta的音标：...

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...

He shows no repentance for what he has done.他对他的所作所为一点也不懊悔.Christ is inviting sinners to repentance.基督正在敦请有罪的人悔悟.Repentance alone did not cancel out such mortal sin.单靠忏悔是不能勾销这种不可饶恕的大罪的....

cyclopentadienyl的音标：cyclopentadienyl的英式发音音标为：[saɪkləʊpen'teɪdɪənɪl]cyclopentadienyl的美式发音音标为：[saɪkloʊpen'teɪdɪrnɪl]...

pentagon的复数形式为：pentagons...

碘戊烷...

环十五烷...

n.二环戊二烯...

cyclopentane的音标：cyclopentane的英式发音音标为：[saɪklə'penteɪn]cyclopentane的美式发音音标为：[ˌsaɪklə'penˌteɪn]...

cyclopentadiene的音标：cyclopentadiene的英式发音音标为：[saɪkləʊpen'teɪdɪən]cyclopentadiene的美式发音音标为：[saɪkloʊpen'teɪdɪrn]...

pentagon的音标：pentagon的英式发音音标为：['pentəgən]pentagon的美式发音音标为：['pentəgɑn]...

carbetapentane的音标：carbetapentane的英式发音音标为：[kɑ:bɪtəpen'teɪn]carbetapentane的美式发音音标为：[kɑbɪtəpen'teɪn]...

I remain an unrepentant rationalist.我仍是一位执迷不悟的理性主义者.He killed them because they were unrepentant.因为他们不肯悔改,他就杀死了他们.Pamela was unrepentant about her strong language and abrasive remarks.对于自己的激烈言辞和恶语相向，帕梅拉并无悔意。...unrepentan...

dicyclopentadiene的音标：dicyclopentadiene的英式发音音标为：[daɪsaɪkləpentə'dɪi:n]dicyclopentadiene的美式发音音标为：[daɪsaɪkləpentə'dɪin]...

Many cyclopentane derivatives also absorb in this region.很多环戊烷的衍生物在这个范围也出现吸收....

In there compounds, the cyclopentadiene ring has only four hydrogens.在这些化合物里, 环戊二烯环只有4个氢.The cyclopentadiene is prepared by the thermal cracking of dicyclopentadiene.以热裂解双环戊二烯的方法制备环戊二烯.The chemistry of cyclopentadiene or...

n.五边形，五角形，五角大楼（指美国国防部）...