【机】 barometric discharge pipe
atmosphere; air; heavy breathing
【化】 free air
【医】 atmosphere; atmospheric air
drain; egast; ejectable; evacuate; excrete; excretion; mute; voidance
【医】 apocatharsis; cenosis; eccrisis; egest; egestion; evacuate; evacuation
excrete; excretion; kenosis; lapaxis; void
trachea; weasand; windpipe
【医】 air-tube; trachea; tracheo-; weasand; windpipe