升降shēng jiàng★☆☆☆☆v.动词⁰·⁰⁰⁰⁹ᴾᵃ¹¹¹⁹¹ 基本例句 disappearing end bumperelevation and subsidenceifluctuation 升降舵;elevator 升降梯elevator;lift 升降机elevator;lift 升降门elevating door 升降摄影车camera crane 升降台lifting platform 升降奖惩promotion and demotion, reward and punishment