它绕着质心的椭园运动就几乎看不出来.Its own elliptic motion around it will be almost imperceptible.在无外力时,质心的速度是常量.The velocity of the center of mass is constant in the absence of external forces.错误的根源在于混淆了质心与重心 吗 ?Do We Mistake Center of ...
What is refreshing is the author's easy, conversational style.让人耳目一新的是作者轻松自如的会话式写作风格。Herbs have been used for centuries to make refreshing drinks.草药用于调制提神饮品已有好几个世纪了。It's refreshing to hear somebody speaking com...
Occasionally, Jaron disturbs the quiet with a yelp of delight.偶尔, 杰伦会以一声欢叫打破平静.I had to bite back a yelp of surprise.我只好强忍住，没惊叫出来。The dog gave a yelp of pain.狗疼得叫了一声.She jumped back with a little yelp of surprise.她吃惊地喊叫了...
To investigate the protective effects of pedicled omental transposition on the kidney with glomerulosclerosis.为探讨带蒂大网膜包肾术防治肾小球硬化的作用.The deep latitudinal structural belt shows the transposition relation to the NE trend st...
荨麻在任何肥沃的荒地上都能茂盛地生长。Nettle grows plentifully on any rich waste ground.一旦腐殖土形成, 植物就可以在里面茂盛地生长了.When the humus has been formed, plants can grow well in it....
He bettered his last year's record.他刷新了他去年的记录.As an account of adolescence it could hardly be bettered.作为描写青春期的书，它已几臻完美。One of his first experiments after the telephone bettered the phonograph.他在发明电话后首次的一项实验中,改善了留声机...