- 释义：
- n. 钟摆；（局势意见等的）摇摆不定
- 例句：
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The ball which hung the roof is compound pendulum.
悬挂在墙上的钟来回摆动.
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The familiar pendulum swing was to happen once more, and then stop.
常见的钟摆来回现象,会再次发生, 然后就停止不动了.
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But the pendulum has also swung the other way.
但这一趋势也有朝着另一方向逆转的时候.
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