他解释说。男性眼睛的构成使它适合运动和方向。 。
Thee composition of the male eye makes it attuned to motion and direction.
速度：一个物体运动的方向和速率。或者是在某一位置的变速率。
Velocity: the speed and direction of an object, or its rate of change in position.
根据牛顿运动第三定律，作用力和反作用力是大小相等方向相反的。
According to Newton's Third Law of Motion action and reaction are equal and opposite.
在实际情况中，左后腿和左前腿是朝两个方向运动的。
In actual fact these two legs are moving in opposite directions.
非洲板块与欧洲板块的相对运动方向和由阿尔卑斯期变质岩。
No direct relationship has been demonstrated between the direction of relative plate motion and linear …
非洲板块与欧洲板块的相对运动方向和由阿尔卑斯期变质岩。
No direct relationship has been demonstrated between the direction of relative plate motion and linear …
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