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。
- 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。
- You can plug into the national computer network. 你可以接通全国计算机网络。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- She gave me a diagram of railway network. 她给了我一张铁路网图解。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- In a network, a route between any two nodes. 网络中任意两个网点之间的一段路由。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Under the mountain there is a network of caves. 这座山里有许多相通的洞穴。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The network computer offers simplicity. 网络计算机提供了简洁性。
- The old boy network helps in getting jobs. 找工作时校友关系很管用。
- 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
- A radio, television, or telephone network. 网路收音机、电视或电话通信网
- A terminal in a computer network. 终端计算机网状系统的末端
- Connected to a computer network. 联机的和计算机网络系统联在一起的
- 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。
