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单词 pendulum
释义 pendulum
UK ['pen.djʊ.ləm] US [-dʒə.ləm] noun
countable
■a device consisting of a weight on a stick or thread which moves from one side to the other, especially one which 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.太空船的喷射装置周期性地喷射,以减缓太空船出现的左右摇摆现象。
only singular
■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界经常出现。
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