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...
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...