那子弹从墙上反跳回来.The bullet ricocheted from the wall.假设分子与板碰掸后粘附在板面上,而不是反跳开.Assume that the molecules stick to the plate rather than rebound.撞在前进中的活塞上的分子,会加速反跳.A molecule striking an advancing piston recoils with increased spe...
We splurged on Bohemian glass for gifts, and for ourselves.我们花了很多钱买波希米亚玻璃制品送人和自用。She fancies herself a bohemian.她自以为是放荡不羁的艺术家。I am a bohemian. I have no roots.我生活放荡不羁,漂泊不定。...