vacuums
['vækjuəm]
[ vacuums ]
n.真空, 真空吸尘器, 空白
adj.产生(利用)真空的
v.用吸尘器打扫
例句与用法:
An empty space; a vacuum.
真空空间; 真空
Some pumps and all vacuum cleaners work by suction.
有些泵和所有真空吸尘器都是借吸力工作的。
His wife's death left him a vacuum in his life.
他妻子的去世使他的生活变得空虚。
词形变化:
名词复数: vacuums | 动词过去式: vacuumed | 动词过去分词: vacuumed | 动词现在分词: vacuuming | 动词第三人称单数: vacuumes |