In experimenting we find out that sound travels with different velocities through different substances.在实验中,我们发现声音以不同的速度通过不同的物质而传播.A gas in thermal equilibrium has particles of all velocities.处于热平衡的气体,其粒子有一切速度.At high ga...
他又是握手，又是拍背，像个政客一样把一屋子的人都笼络了一番。He worked the room like a politician, gripping hands, and slapping backs.破裂的水管喷了一屋子的水.The broken pipe spouted water all over the room.零七八碎的东西放满了一屋子.The room is cluttered up with all kinds of...
They endured five years of privation during the second world war...第二次世界大战期间，他们忍受了5年的贫困生活。He looked upon privation as no hardship.他不把忍饥受冻当作什么苦难.Cold is the privation of heat.所谓冷就是缺乏热量.It will be the greatest imaginable p...
She is wide-eyed with astonishment.她吃惊地睁大了眼睛。She stood up quickly, giving a little cry of astonishment...她迅速站了起来，惊叫了一声。I spotted a shooting star which, to my astonishment, was bright green in colour...我看见一颗流星，使我大为惊奇的是，它居...