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...

propensity的复数形式为：propensities...

opens的音标：opens的英式发音音标为：['əʊpənz]opens的美式发音音标为：['oʊpənz]...

v.重新开始( reopen的现在分词 )，再开，揭旧疮疤，重提伤心事...

缺水的...

gyropendulum的音标：gyropendulum的英式发音音标为：['dʒaɪərəʊpendjʊləm]gyropendulum的美式发音音标为：['dʒaɪəroʊpendjʊləm]...

n.同相线...

This show, too, was virtually sold out before it opened.这场演出的门票也是几乎在开演前就销售一空了。The film opened to healthy box office receipts before rapidly falling off.这部影片的票房收入开始的时候持续上涨，但是后来急剧下降。Bob tried the door. To his surprise it o...

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]...

open的现在完成时为：opened...

isopropenyl的音标：isopropenyl的英式发音音标为：[aɪsə'prɒpənɪl]isopropenyl的美式发音音标为：[aɪsə'prɒpənɪl]...

环戊二烯基...

reopen的现在进行时为：reopening...

n.血球减少...

n.环戊酮...

reopen的现在完成时为：reopened...

纤维蛋白减少...

The action is an open violation of the Vienna Convention.该行为公然违背了《维也纳公约》。Don't leave a child alone in a room with an open fire.房间里有裸露的明火时，不要让孩子独处其中。Rachel burst out as the door was flung open again.当门被再次猛地推开时，雷切尔冲了出...

She kicked at the door with her foot, and the pressure was enough to open it...她用脚踢门，力气之大足以把门踹开。Helen gained some compensation for her earlier defeat by winning the final open class...海伦在公开组决赛中取胜，这对她早先的失败算是一种补偿。The chair...

It's in the right - hand drawer, next to the bottle openers.在右边的抽屉, 就在开瓶器旁边.Radio waves control everything from cellphones to automatic door openers.从手机到电动门,几乎所有东西都要由无线电波来控制.Choose television , choose washing machin...

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]...

opening的近义词/同义词有：rift, nick, hiatus, den, excavation, notch, pit, chink, pinhole, hole, cave, well, slit, eyelet, interstice, gap, mouthpiece, pore, grotto, cleft, cavity, cavern, space, crevice, scissure, gate, lacuna, ...

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]...

cyclopentenyl的音标：cyclopentenyl的英式发音音标为：[saɪkləʊpən'tənəl]cyclopentenyl的美式发音音标为：[saɪkloʊpən'tənəl]...

n.色谱（固定相）棒...

n.异戊烯焦磷酸...

immunoneutropenia的音标：immunoneutropenia的英式发音音标为：[ɪmjʊnəʊnju:t'rəʊpi:nɪə]immunoneutropenia的美式发音音标为：[ɪmjʊnoʊnjut'roʊpinɪr]...

opening的音标：opening的英式发音音标为：['əʊpnɪŋ]opening的美式发音音标为：['oʊpnɪŋ]...

n.开幕，开始，空缺的职位，[商]开盘，交易开始时间，（职位的）空缺adj.首次的，开始的v.（打）开( open的现在分词)，开始，睁开，启动...

Isopentyl lactate was synthesis from acid and isopentyl alcohol in the presence of ferric chloride hexahydrate.在六水三氯化铁存在下可以由乳酸和异戊醇合成乳酸异戊酯....