underactv.不充份地表演;不卖力地演
underprep.低于;在 ... 下;在 ... 内;在 ... 控制下adv.在昏迷中;在 ... 下adj.下面的;从属的;少于的
underdeveloped ethnic areas欠发达民族地区
underglaze colour porcelain釉下彩瓷器
under the silvery moonlight在银色的月光下
Under the Eaves in Shanghai上海屋檐下
underload circuit-breaker欠载断路器
underhung slewing jib crane悬挂式回转臂起重机
underfloor air distribution地板送风
under the charge of someone由某人保管
under the cloak of darkness在黑暗的掩护之下