- declare invalid
同义词:invalidate, annul, quash, void, avoid, nullify
- clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of something
同义词:void
- take away the legal force of or render ineffective
同义词:invalidate, void, vitiate
- excrete or discharge from the body
同义词:evacuate, void, empty