屋顶的两面斜面都有破瓦片.On both slopes of the roof there are broken tiles.伽利略让小金属球从斜面滚下.Galileo rolled small metal balls down the incline.图3.21画出了平行于斜面的、相互保持平衡的几个力.Figure 3.21 shows the forces parallel to the plane that are respons...
Their plane had been severely buffeted by storms...他们的飞机遭受到风暴的重创。The whole of Africa had been buffeted by social and political upheavals.整个非洲都经受了社会和政治动荡之苦。Their plane had been severely buffeted by storms.他们的飞机遭受到风暴的重创。He...
How could racial profiling exist if most everyone looks the same?如果大家长得都一样,种族歧视评判怎么可能存在?DNA profiling has aided the struggle against crime.DNA分析对于打击犯罪有所帮助。But Hispanics and others say it could still lead to racial profil...
The killer seems more comfortable with a phial than with a dagger相比匕首,凶手似乎更喜欢使用小药瓶。Bohr Locked away with an imaginary phial of cyanide.波尔它和一小瓶氯化物被封闭在密室中.The abb é made him smell the contents of the phial , and he again o...