pendulum [ˈpendjələm]

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单词级别

第7级

基本释义

n.摆，钟摆

英英释义

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

参考例句

The pendulum swung slowly to and fro. 钟摆在慢慢地来回摆动。
He accidentally found that the desk clock did not swing its pendulum. 他无意中发现座钟不摇摆了。

pendulum [ˈpendjələm]

单词级别

基本释义

英英释义

参考例句

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