词汇	equal settling
释义	equal settling 等速下落
随便看	central placenta central placenta previa central placentation central placenta tion central place ofeditors central place of transaction central place system central place theory central-place theory central plain people central plain region of china central plane Central plane of a generator central plane of the objective central plane of wheel central plank central planned economy central planner central planning central-planning Central Planning Office central planning system central plain Central Plain Communication central plain culture