Thursday, February 23

center of gravity (重力中心/重心)

center of gravity 重力中心 重心

Definition of "Center Of Gravity" by Merriam-Webster
1: center of mass
2: the point at which the entire weight of a body may be considered as concentrated so that if supported at this point the body would remain in equilibrium in any position

gr:「麻辣拼盛 Spelling」編號#7第4個拼字字群

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