She typed an original and two carbons.她用打字机打出了原件及两份副本.He inserted the paper and two carbons.他放入了那张纸和两张复写纸。Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.可分离的碳环化合物环内含七个或七个以下的碳....
Ordered mesoporous carbons possess good conductivity, strong framework and high surface areas , showing great adsorptioncatalysis.介孔碳材料具有良好的导电性 、 很强的骨架刚性以及大的比表面积.He inserted the paper and two carbons.他放入了那张纸和两张复写纸。The va...
He approaches to the character of the ablest statesman.他具有近乎最能干的政治家的品质.They held a meeting and chose two of their ablest men to look for water.他们合计了一下,选出两个最能干的人去找水.I had delibrately recruited the ablest young men and wom...
Stories abound about when he was in charge.关于他在任时的传闻多不胜数。Stories about his travels abound.有关他游历的故事多得很。Questions abound as to the reasons for the president's decision.关于总裁作出这一决定的理由,人们提出了各种各样的疑问....
他们假装成视察员进了学校.They got into the school in the guise of inspectors.视察员对有关学校的一切都感兴趣.The inspector was interested in everything pertaining to the school.视察员查验工作的质量.An inspector checked the standard of work....
The design of the bicycle has managed to reduce the effects of wind resistance and drag.这种自行车的设计成功地减少了风的阻力和摩擦力。Drag onto the page to add a thyristor, bi - directional triode - type, triac - gated switch.拖到绘图页后,可以添加可控硅 、 ...