1vacant(房屋)空闲,(职位)空缺,(表情)茫然 available
Only a few apartments are vacant
vacant expression茫然的表情
vacant possession闲置房屋
2vacancy/opening
There are still two vacancies in school board
Let's see if we have a vacancy 空房
tonight
3vaccine疫苗
4vacuum真空(吸尘器)
vacuum-packed真空包装的
vacuum -cleaner
vacuum tube
5vacillate 犹豫+between~hesitate
6evacuate疏散、撤退
The civilians were evacuated from city to farms
7vacate腾出
8vacuous发呆的、无意义的