free swing motion
英
美
- 自由摆动
双语例句
- Impulsion may be recognized by the freely swinging back and the participation of all the joints in the forward motion.
自由摆动的背部和身体所有关节都参与向前的运动是动力的表现。 - A compass is essentially a magnetized needle mounted in such a way that it can swing freely.
实质上,指南针就是一个支起来能自由摆动的磁针。
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