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- 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。
- He always feels pain in his abdomen. 他的腹部经常疼痛。
- She had abdominal pains yesterday. 她昨天腹痛。
- 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。
- I'll have an abdominal operation tomorrow. 我明天要做个腹部手术。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- He felt a great deal of pain in his abdomen. 他感觉到腹部非常痛。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The diaphragm is between the chest and the abdomen. 横隔膜位于胸腔与腹部之间。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- He got jabbed in the lower part of his abdomen. 他的下腹部被戳。
- abdominal vacuum 上体前倾两手扶膝
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空,我们就无法将它们分开。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的