In physics events ase explained rigorously and quantitativly, and with the aid of mathematical formulae.在物理学中,可借助数学公式对事件作出严格的定量说明.The quiz showed up Cane's weak points in physics.这次测验看出了凯恩在物理学方面的弱点。He is very intere...
In 1912 he eloped with Frieda von Richthofen.1912年，他和弗丽达·冯·里希特霍芬私奔了。Von Otter was superb both in the darkly dramatic songs, and in the lighter ones.冯·奥特无论是演唱严肃的戏剧曲目还是较为轻松愉快的歌曲时，都表现得无可挑剔。Humboldt riotously picketed Von Tr...
我们往靶子上掷飞刀.We threw knives at targets.弓箭手拉紧弓弦将箭瞄准靶子.The archer strung his bow and aimed an arrow at the target.士兵们不断地向靶子射击.The soldiers were banging away at the target....
用糠醇和糠醛缩聚制备了新型呋喃树脂.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.糠醛树脂化结焦是导致催化剂失活的主要原因.Resinification of furfural on the catalyst was the main cause of deactivation.图5醋酸苯胺比色法,糠醛...