pendulum motion 摆动运动
swinging pendulums 摆动的钟摆
clock pendulums 钟摆
A: Do you know how these pendulums work?
A:你知道这些钟摆是怎么运作的吗?
B: They swing to regulate the timing of the clock.
B:它们通过摆动来调节时钟的时间。
1) 物理学中指在固定支点下摆动的物体
2) 用于计时器或精密仪器的机械部件
3) 引申为在两个极端之间波动的状态
1. 钟摆;摆锤
noun
1. Weights hung from a fixed point that swing back and forth.
Synonym: weights, oscillators