当压强趋近于零时, 分子的碰撞就停止了.For the pressure to become zero , molecular bombardment must cease.低的基本压强也是保持表面清洁所要求的.Low base pressure is also a requirement to keep the surface clean.压强的不相等导致气体运动.Pressure inequalities generate gas ...
法国末代国王是1848年逊位的路易·菲力普。The last French king was Louis Philippe, who abdicated in 1848.爱德华八世竟主动逊位，真是匪夷所思。Edward VIII had done the unthinkable and abdicated the throne.国王逊位时.其弟继承王位.TYPICAL USE : When the king abdicated his ...
Betty took a photograph of us...贝蒂给我们照了张相。Do you think betty and bertie are girls of the old school?你认为贝蒂和伯蒂是保守的女性 吗 ?Betty had no idea what male chauvinism was.贝蒂不知道大男子主义是怎么回事.What was Betty getting at when she said she...