centre of gravity
noun [ C usually singular ] UK (US center of gravity) uk/ˌsen.tər əv ˈɡræv.ɪ.ti/ us/ˌsen.t̬ɚ əv ˈɡræv.ə.t̬i/ centres of gravity
(物体的)重心
the point in an object where its weight is balanced
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