low /ləu/ I.adj.1.低的,浅的:say in a low voice低声地说;a low price 低廉的价格; in low spirits 没精打采 2. 低下,卑鄙:have a low position 地位不高;men of low birth  出身卑贱的人 ‖II. adv.1. 低,向下地:bow low 深深地鞠躬 2.低声地:talk low 低声交谈

 lower /ˈləuə/ I. adj. (low的比较级)较低的:a lower school低年级学校;lower classes下等社会 ‖II.vt.降低: lower the price降低价格;lower expenses (one’s voice, pressure)降低开支(嗓门,压力)