pendulum
柯林斯词典
1. N-COUNT The pendulum of a clock is a rod with a weight at the end which swings from side to side in order to make the clock work. 钟摆
2. N-SING You can use the idea of a pendulum and the way it swings regularly as a way of talking about regular changes in a situation or in people's opinions. (事态、舆论等的) 摇摆
The political pendulum has swung in favour of the liberals. 政治的钟摆已经摆向了自由派。
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pendulum /ˈpɛndjʊləm/ (pendulums)
剑桥词典
- [ 可数名词：有复数形式的名词 ]
a device consisting of a weight on a stick or thread that moves from one side to the other, especially one that forms a part of some types of clocks
摆，摆锤；（尤指）钟摆
The pendulum in the grandfather clock swung back and forth . 落地钟的钟摆来回摆动。
The spaceship's jets were fired periodically to dampen a side-to-side pendulum motion that had developed . 宇宙飞船的喷射装置周期性地喷射，以减缓飞船出现的左右摇摆现象。
[ 单数名词 ]
a change , especially from one opinion to an opposite one
摇摆不定的事态（或局面）；（尤指）观点的摇摆不定
As so often in education , the pendulum has swung back to the other extreme and testing is popular again. 人们的观点又回到了另一个极端，考试又流行起来了，这种摇摆不定的现象在教育领域经常出现。 返回 pendulum