vacuum
现在分词：
动词现在分词: vacuuming
更多词形：
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 |
单词例句：
Vacuum cleaners are in common use.
真空吸尘器正被普遍使用。
Her husband rs death left a vacuum in her life.
她丈夫的死使她的生活变得空虚。
The symbol for the speed of light in a vacuum.
表示真空中光速的物理符号
Dirt and dust are drawn into a vacuum cleaner by suction.
污物和灰尘被吸入吸尘器。
Her husband's death left a vacuum in her life.
她丈夫的死使她的生活变得空虚。
I'd vacuum before I left in the morn ing.
在上午离家前反正我要用吸尘器吸一遍地。
His departure created a vacuum in our lives.
他的离去在我们的生活中造成了空虚。
In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away.
在小照明灯中，所有的空气都从灯泡中抽出，形成真空，以防炽热的灯丝被烧毁。
On Saturdays we dust and vacuum.
每星期六我们扫除灰尘并用真空吸尘器打扫。