corkscrew
corkscrew 英 [ˈkɔ:kskru:] 美 [ˈkɔrkskru]
vt. 硬拉出;探听 adj. 螺旋形的 n. 螺丝锥
进行时:corkscrewing 过去式:corkscrewed 过去分词:corkscrewed 第三人称单数:corkscrews 名词复数:corkscrews
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- vt. 硬拉出;探听
- adj. 螺旋形的
- n. 螺丝锥
- vi. 曲折行进
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1. Now you have to rotate counterclockwise and when you rotate counterclockwise the corkscrew comes to you-- there you go and so the vector is now pointing in this direction.
这时就需要逆时针了,逆时针旋转,螺旋锥就朝着你的方向出来了,因此叉积的矢量方向,就是向外的。
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2. This corkscrew of energy tends to attract small spheres made of silica. The light in the corkscrew can then be tilted at an angle that kicks the spheres backward even as the beam itself moves forward.
这个能量螺旋趋向于吸引小硅球,然后螺旋中的光会以某一个角度倾斜,这个角度可以使光线自身依然向之前的方向运动而使小球逆向光线前进方向运动。
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3. corkscrew tanks didn’t run on the typical caterpillar type treads, instead propelled by giant corkscrews.
螺旋式坦克不依靠典型的履带式踏板运行,而是用巨大的螺丝锥推动。
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