词汇	閉影
释义	閉影 bì yǐng隐藏形迹。闭影
随便看	ultra linearity ultra linear voltage-to-frequency converter ultra-linguistic factors Ultra link attribute Ultralinken ultra-liquefied lipiodol ultralirnit transportation ultralite ultra-lite ultralites ultra-lites ultralloy micro alloy ultralocal ultralocality ultralocalization ultralong Ultra Long ultra-long ultra long and wide structure ultra-long bored cast-in-situ pile ultra long concrete structure ultra long distance ultra-long distance ultra-long drilled pile ultra-long electromagnetic wave