n. the absence of matter
n. a region that is devoid of matter
n. an electrical home appliance that cleans by suction
v. clean with a vacuum cleaner
n. 真空, 空间, 真空吸尘器
a. 真空的, 产生真空的, 利用真空的
vt. 用吸尘器打扫
1. I need to vacuum the living room before our guests arrive.
我需要在客人到来之前吸尘客厅。
2. The vacuum cleaner is very powerful and can pick up small dirt easily.
吸尘器非常强大，可以轻松吸起小灰尘。
3. Make sure to check the vacuum bag; it might be full.
确保检查一下吸尘袋；它可能已经满了。