Voids
n. 空洞, 孔洞；空隙率, 结点间（void的复数）
🗣️ 情景例句
I would like a room on the 5th floor.
我想在五楼要一个房间。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。