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基本释义
包装标志
实用场景例句
学术讨论
The pendulum's periodic motion was fundamental in the development of clocks.
钟摆的周期运动在钟表的发展中起着基础性作用。
日常对话
The old clock tower's pendulum swung slowly, marking each hour precisely.
古老钟楼的钟摆缓缓摆动，精确地标记每个小时。
校园生活
In the physics class, students measured the pendulum's swing to calculate its period.
在物理课上，学生们测量钟摆的摆动以计算其周期。
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