烯空气跟空气十分近似.Olefin gas closely approximates air.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中.All the chief difficulties crop up in the synthesis of the enone ( 1 ).某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane....
My after - school job means tailing philandering spouses or investigating false injury claims.我的课余工作差不多就是跟踪外遇者或调查诈骗保险金.Those explained the matching relationship between composite ratio and tailing granularity.这也解释了组分配合与尾...
Practice makes perfect.熟能生巧In practice, workers do not work to satisfy their needs.事实上，工人工作并不是为了满足本身的需要。Knowledge begins with practice.知识始于实践。All members of the association adhere to a strict code of practice...协会的所有成员都遵...
这些真相给个体带来巨大的精神痛苦。These truths cause individuals much psychic pain.心理测试只是一种测量个体才智和能力的方式。Psychometric testing is simply a way of measuring people's individual talents and capabilities.孩子的个体意识在入学前的几年中逐渐增强。A child'...