They arrived late due to a motorway hold-up.他们因高速公路交通堵塞迟到了。Hold up your hands if you have any question.如有问题请举手.Women hold up half of heaven [ half the sky ] .妇女能顶 半边天....
" You certainly have a big voice, " laughed Chueh - hsin, and he launched into a Peking opera aria.“ 你的声音真大, ” 觉新笑着对 觉慧 说, 只听见他在上面唱京戏.You see , this Mr Smith is an expert on Peking opera.不过, 这位史密斯先生可是个京剧专家哟.He is a well ...
Magnesium phthalate dihydrate was synthesized by rheological phase reaction.用流变相反应法合成了二水邻苯二甲酸镁.The crystallization course of dihydrate calcium sulphate affected by APA was also researched.另外还研究了添加不同类型的活化疏松剂对二水硫酸钙结晶过程的影响....