*low·er¹/`loə; ˈləʊə/ adj [only before noun 仅用于名词前] 1 being the bottom part of something, or at the bottom of something 较下［低］的; 下层的; 在底部的: I injured my lower back. 我的腰受了伤。 the lower floors of the building 该建筑的底下几层楼 2 less important than other things of the same type 〔同类中〕较低级的，次要的: lower levels of management 较低级的管理层