vacuum
- n. 真空；空间；真空吸尘器
- adj. 真空的；利用真空的；产生真空的
- vt. 用真空吸尘器清扫
英英释意
- 1. the absence of matter
- 2. an empty area or space;
- "the huge desert voids"
- "the emptiness of outer space"
- "without their support he'll be ruling in a vacuum"
- 3. a region empty of matter
- 4. an electrical home appliance that cleans by suction