ethylpentanol的音标：ethylpentanol的英式发音音标为：[ɪθɪlpəntə'nɒl]ethylpentanol的美式发音音标为：[ɪθɪlpəntə'nɒl]...

dichloropentane的音标：dichloropentane的英式发音音标为：[daɪklɔ:rə'penteɪn]dichloropentane的美式发音音标为：[daɪklɔrə'penteɪn]...

Pamela was unrepentant about her strong language and abrasive remarks.帕梅拉对自己那些脏话和伤人的言辞一点也不感到羞愧。He killed them because they were unrepentant.因为他们不肯悔改,他就杀死了他们.I remain an unrepentant rationalist.我仍是一位执迷不悟的理性主义者....

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 method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is studied.研究了...

环十五烷酮...

甲基戊酮...

So, we carried out with cyclopentadienyl molybdenum tungsten disulfide - based Synthesis and Characterization of.为此, 我们开展了对含环戊二烯基二硫型的钼钨配合物的合成及性质研究.The progresses in bridged or substituted cyclopentadienyl ( and indenyl )...

环戊二烯...

The Pentagon will give preference to companies which do business electronically.美国国防部将会优先考虑那些能够进行电子商务的公司。Pentagon spokes-man Williams says those talks are coming along quite well.五角大楼发言人威廉斯说那些会谈进展得相当顺利。Pentagon spokesman...