n. an empty area or spacev. clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of somethings. containing nothing
n. 空虚, 空间, 空白, 空隙, 空虚感a. 空的, 无效的, 无人的, 没有的, 无用的[计] 脱墨; 空白点