Foucault pendulum
noun[C]
uk/ˌfuː.kəʊ ˈpen.dʒəl.əm/us/fuːˌkoʊ ˈpen.dʒəl.əm/apendulum(= aweighton alongrod)that can be used to show that theearthspinsaround
傅科摆（一种用于证明地球自转的摆）
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Revolving, rotating and spinning
- around
- around and aroundidiom
- backspin
- birl
- centrifugal
- circuit
- rev
- revolving
- rotary
- rotate
- rotation
- rotative
- span
- spin
- swing
- twirling
- twirly
- underspin
- wheel round
- whirly
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Astronomy