propel的现在完成时为：propelled...

n.异丙烯基...

By 1978, in the USA, the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。This law closely resembles that obtained with conventional propellants.这种规律非常类似于用普通推进剂所得出的规律.The lighter version used liqu...

improper的近义词/同义词有：unbecoming, indecent, wrong, unsuitable, inappropriate, bad, incorrect, unfit, wrong, indecent, disgraceful, unsuitable, unbecoming, incorrect, inappropriate, discreditable, bad, unfit, blue, ineligible...

I got roped in to help with the timekeeping.我被拉来帮忙计时。I roped myself to the chimney.我用绳子把自己系在烟囱上。Make sure you're properly roped together before you begin to climb.爬山之前,要确保你们已经很好地用绳索系在一起了....

The Committee said his actions were improper and repugnant.委员会称他行为失当，令人反感。an improper course of action不正确的做法What an improper suggestion!多么不体面的建议!Mr Matthews maintained that he had done nothing improper.马修斯先生坚称他没有做过非法的事情。...

农业土壤学...

n.感胶离子，易溶物...

atriocommissuropexy的音标：atriocommissuropexy的英式发音音标为：[ɑ:tri:əʊkɒmɪjʊ'rəʊpeksɪ]atriocommissuropexy的美式发音音标为：[ɑtrioʊkɒmɪjʊ'roʊpeksɪ]...

氢过氧化物...

异型跖...

micropenis的音标：micropenis的英式发音音标为：[maɪkrəʊ'pi:ni:s]micropenis的美式发音音标为：[maɪkroʊ'pinis]...

n.同素异形体...

hysteropexy的音标：hysteropexy的英式发音音标为：[hɪstə'rɒpeksɪ]hysteropexy的美式发音音标为：[hɪstə'rɒpeksɪ]...

hemitrope的音标：hemitrope的英式发音音标为：['hemɪtrəʊp]hemitrope的美式发音音标为：['hemɪˌtroʊp]...

isopropenylbenzene的音标：isopropenylbenzene的英式发音音标为：[aɪsəʊprɒpənɪl'benzi:n]isopropenylbenzene的美式发音音标为：[aɪsoʊprɒpənɪl'benzin]...

micropedology的音标：micropedology的英式发音音标为：[maɪkrəʊp'dɒlədʒɪ]micropedology的美式发音音标为：[maɪkroʊp'dɒlədʒɪ]...

The army claims the rebels are on the ropes.军队声称叛军支撑不了多久了。Steel cable will be used to replace worn ropes.将用钢缆替换磨损的绳索。With perfect synchronization, two other girls cartwheeled toward the ropes.另外两个女孩同时朝着绳索做侧手翻，动作整齐划一，完美无瑕...

micropenetrometer的音标：micropenetrometer的英式发音音标为：[maɪkrəʊpe'nɪtrɒmɪtər]micropenetrometer的美式发音音标为：[maɪkroʊpe'nɪtrɒmɪtər]...

inhibitrope的音标：inhibitrope的英式发音音标为：[ɪn'hɪbɪtrəp]inhibitrope的美式发音音标为：[ɪn'hɪbɪtrəp]...

n.欧洲主义，主张欧洲各国在政治上、经济上联合...

misanthropes的音标：...

n.腹水...

闪板硫菌属...

colpohysteropexy的音标：colpohysteropexy的英式发音音标为：[kɒlpəhi:sterəʊ'peksɪ]colpohysteropexy的美式发音音标为：[kɒlpəhisteroʊ'peksɪ]...

heteropelmous的音标：heteropelmous的英式发音音标为：['hetərəʊpelməs]heteropelmous的美式发音音标为：['hetəroʊpelməs]...

vt.（用绳子）捆（rope的过去式与过去分词形式）...

微针入度...

Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General.豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。Brevik served as Blizzard North's President while Roper and the Schaefers held Vice President positions.Brevik曾是北方暴雪...

n.制绳者，用索套捕牲口的牧人，诱人进入赌场者...