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vaccum
US
・UK
A1 初級
n.名詞一個完全沒有物質的空間。
Since by definition it contains no matter, the vacuum of space itself has NO temperature.
n.名詞一個吸塵機。
It would be another ten years before the electric vacuum, iron, and frying pan became available as consumer products.
v.動詞用吸塵器清潔。
the room needs to be vacuumed
