芳基取代聚炔及其衍生物呈现出光电磁等许多新颖的性能.Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical , electric, magnetic properties.目的: 建立中药北沙参中聚炔法卡林二醇的薄层扫描测定方法.Objective : To establish TLC scanning method for...
The plucky schoolgirl amazed doctors by hanging on to life for nearly two months.这名勇敢的女生坚持不放弃生命近两个月的精神令医生感到震惊。You ever stop to think that maybe I am the plucky comic relief?你就没想过也许我就是那种有勇气的'搞笑救济'?Trivial decisi...
他有背诵格言的癖好.He has a hobby for storing up sayings in his mind.格言的内容不完全固定.The list of maxim is not settled.在艾伦当初听到这句格言的时候, 它还只是一颗鹅卵石.When he had heard the quotation, it was a pebble....