The pendulum of the clock in my room is a bear.
我房间的钟摆是小熊形状的。
The first public exhibition of a Foucault pendulum took place in February 1851 in the Meridian Room of the Paris Observatory.
第一次公开展出的福柯摆发生在1851年2月在经络室巴黎天文台。
The first public exhibition of a Foucault pendulum took place in February 1851 in the Meridian Room of the Paris Observatory.
第一次公开展出的福柯摆发生在1851年2月在经络室巴黎天文台。
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