vacuum

真空

空白；空虚

吸尘器 (= vacuum cleaner)

用吸尘器打扫（房间等）

vacuum

真空, 空间, 真空吸尘器

真空的, 产生真空的, 利用真空的

用真空吸尘器打扫

vacuum

1. the absence of matter

(synonym)

(hypernym)

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"

(synonym) , ,

(hypernym)

3. a region empty of matter

(synonym)

(hypernym) ,

4. an electrical home appliance that cleans by suction

(synonym)

(hypernym) ,

(hyponym)

(part-meronym) ,

(derivation) ,

1. clean with a vacuum cleaner; "vacuum the carpets"

(synonym) ,

(hypernym) ,

(derivation)