The velocities are independent of hydrostatic pressures.速度与流体静压力无关.The momentum of the particles was deduced from meteoritic velocities.粒子的冲量可以从陨石速度推导出来.In experimenting we find out that sound travels with different velo...
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...
中午跟那帮生意上的朋友喝完酒后，他回来了。He returned from a lunchtime drinking session with his business cronies.这种做生意的方式偷偷摸摸，遮遮掩掩。It is a sneaky and underhand way of doing business.生意场上，不动声色会非常有用。In business a poker face can be very useful...
Don't sadden your friends and gladden your enemies.勿使亲者痛仇者快。You can sigh away half your youth if you choose to allow failed relationship to sadden you.如果你陷于失败的伤感中,你就会使前半生在叹息中度过.Do not sadden your friends and gladden...