当然, 坐标系 ( x, y, z ) 轴向的选择是任意的.The choice of orientation of the ( x, y, z ) coordinate system is, of course, quite arbitrary.除此之外, 具有曲线型齿线之齿轮在运转时亦不会产生轴向的推力.Moreover, a gear pair with curvilinear - tooth traces operates wi...
现在我们把大家带回电视播音室.We are now returning you to the studio.这个播音室正在安装音响设备用的电线.The studio is being wired for sound.现在转到我们在阿格拉的特别播音室,我的同事尼克·高英正在那里.Well let's go now to our special studio in Agra to join my colleague Nik Gow...
They were substituting violence for dialogue.他们在用暴力取代对话。He was substituting for the injured William Wales.他替下了受伤的威廉·威尔士。They were substituting violence for dialogue...他们在用暴力取代对话。The program saved $11 million in 1988 by s...
他说得很慢,每个词之间都有停顿。He talks quite slowly and spaces his words out.离开时,她在门口停顿了一下。On leaving, she paused for a moment at the door.他停顿了一下,歪着头,好像是在听。He paused and cocked his head as if listening....