您要查找的是不是：
- 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。
- vacuum doughnut 环形真空室
- Glaze a doughnut; glaze pottery. 在甜甜圈上浇糖浆; 给陶器上釉
- 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。
- 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。
- No, I'm going to the snack bar to get a doughnut and some milk. 不，我要到小吃店买一个油炸圈饼和一些牛奶。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- 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 gazed at the doughnut on the table. 他盯着桌上的油炸圈饼。
- So say No to that doughnut and burger . 所以，就让我们向油炸圈和夹肉饼说"不"吧。
- Pie and doughnut charts do not have axes. 饼图和圆环图没有轴。
- Pie charts and doughnut charts have no axes. 饼图和环形图没有轴。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Doughnut hickey:Amercian term.See Hickey. 白环:美国术语。
- 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。
- So say No to that doughnut and burger. 所以，就让我们向油炸圈和夹肉饼说"不"吧。
