Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.任何异...
A coarser grade of iron will lower the yield of ferrocene.粗粒的铁将降低二茂铁的产量.These receptors include bridged dipyrrole ansa - ferrocene, bipyrrole - based catenanes , guanidinium - appended amidopyrroles, 2,5 - diamidopyrrole...
Break down fetishes and superstitions and emancipate the mind.破除迷信,解放思想.This new machine will emancipate us from the hard work.这部新机器将把我们从繁重劳动中解放出来.To emancipate all mankind, we will balk at no sacrifice . even that of ou...
a yardstick by which to measure sth衡量某事物的标准By any yardstick, that's a large amount of money.用任何标准衡量, 那都是巨大的金额.By any yardstick, that’s a large amount of money.用任何标准衡量，那都是巨大的金额。There has been no yardstick by which po...