单词	共变（量）
释义	共变（量）covariation
随便看	evacuated tube evacuated tube collector evacuated tubular collector evacuate from evacuates evacuate the bladder, evacuate to evacuate your bowels evacuating evacuating, as troops evacuating by pouring out evacuating equipment evacuation evacuation area evacuation capsule evacuation control vessel evacuation day evacuation handle evacuation hospital evacuation hospital ship evacuation hospital ship {ahp} evacuation of the bladder, evacuation of vacuum tube evacuation of vacuum tuve evacuation policy