vacant
单词辨析：
指纸张无字迹的、未印刷过的，或磁带未录制内容的。
a blank cheque/form
空白支票/表格
Leave the first page blank.
第一页留空。
指建筑物内部缺乏设施或装饰的，也指人身体部位裸露的，形容土地、树木等时表示其没有植被覆盖或枝叶凋落的。
bare feet/trees
光着脚/光秃秃的树
She lived in that tiny bare room for six years.
她在那个空荡荡的小房间住了6年。
She wore a low-necked dress, and her arms were bare.
她穿着一件低领连衣裙，手臂裸露。
There's no carpet in the bedroom, just bare floorboards.
卧室里地板裸露，没有铺地毯。
指容器里面什么也没有或者某个地方没有人的。
an empty cup/room
空杯子/房间
The house stood empty for many years.
这房子好多年没人住了。
指实物的内部是空心的。
a hollow tree/tube
空心树/管子
Hollow blocks are used because they are lighter.
使用空心砖是因为它们更轻。
指房屋、土地等未被占用的，或指工作或职位空缺的，侧重表示临时性的情况。
The apartment is still vacant.
那套公寓仍然空着。
The position became vacant after his resignation.
他辞职后，这个职位暂时空缺。
相关例句：
Vanamee sank back in his chair, his eyes growing vacant again.
伐那米靠在椅背上，眼睛又变得失了神。
In every major city there are more vacant buildings than there are homeless people.
各大城市里空置的楼房都比无家可归的人多。
A number of senior people were regarded as likely to occupy the now vacant post
几位资深人士被认为有望填补现在空缺的职位。
I can select anyone I desire to fill vacant positions.
我可以选我喜欢的人去填补这个空缺。
The apartment next door has been vacant for a long time.
我隔壁的公寓已经空了很久。
The post of chairman has been vacant for some time.
主席之位已经空缺一段时间了。