up的中文意思、音标与词形变化

a. 向上的, 起床的, 涨的 adv. 向上, 上涨 prep. 在...上面, 向...的较高处

v. raise a. being or moving higher in position or greater in some value; being above a former position or level s. extending or moving toward a higher place s. (usually followed by `on' or `for') in readiness