What do you do when you have free time?
你有空的时候做什么？
I think you'll be free then.
我想那时你会有空的。
Hello. Is there a room available tonight?
今天晚上有空的房间吗？
My stomach is empty but I have no appetite .
我胃空空的，却没有食欲。
Of, relating to, or used to create a vacuum.
真空的，与真空有关的，用来制造真空的
Of, relating to, or having the constitution of air.
空气的空气的，有关空气的或由空气组成的
Containing vacuoles or a vacuole.
有空泡的，有液泡的
covered short selling
有担保卖空,有妥善交收安排的卖空
"Emptiness is Existence, and Existence is Emptiness" in Visual Designing;
视觉传达设计中的“空则有,有则空”
To make or occupy a space between.
使留有空隙使有间隔或占有…之间的空隙
Of, relating to, or for use with air mail.
航空邮件的航空邮件的，与航空邮件有关的，利用航空邮件的
Space that has four or more dimensions.
多维空间有四个或更多维的空间
air-to-air missile with infrared homing device.
带有红外线归航装置的空对空导弹。
Restricted airspace for the passage of aircraft.
航空跑道飞机通过的有限空间
His stomach felt empty. He was hungry.
肚里有一种空空然的感觉，敢情是饿了。
The ships would no longer have air cover from carriers.
船舰将不再有航空母舰的空中掩盖。
If I am empty, then all I can give you is my emptiness.
如果我空虚，那么我能给你的只有空虚。
Is there a time when the conference room is free?
会议室有空着的时候吗?