流体的流速与流线的间距成反比.The velocity of the fluid is inversely proportional to the spacing of the streamlines.流线的计算与显示是流场可视化中的一项基本技术.Streamline construction is a technique for flow visualization.近代飞机和飞弹表面的气流可能是流线的.The flow of air...
The rising plume of black smoke could be seen all over Kabul.整个喀布尔都能看到腾起的黑烟.It was only a three-mile walk to Kabul from there.从那里到喀布尔只需走上3英里。Kabul resounded to the crack of Kalashnikov fire and a flood of artillery.卡拉什尼科...
单单英国广播公司就派出技术人员、导演、解说员等一行300人。The BBC alone is sending 300 technicians, directors and commentators.突然，解说员开始用高昂煽情的语调解说起来。Suddenly, the narrator speaks in his most rhetorically elevated mode.体育解说员翻来覆去说着同样的词语，真叫人腻烦。Sports c...