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- She swivelled the telescope (round). 她用望远镜向四周看。
- 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 was too poor to buy an astronomical telescope. 他太穷了，买不起天文望远镜。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- What is the range of this telescope? 这架望远镜的有效距离多大?
- 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。
- 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。
- A telescope equipped to photograph the sun. 太阳(全色)照相仪装备来拍摄太阳的望远镜
- 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
- You can focus your telescope on that distant television tower. 你可以对著那座远方的电视塔调节望远镜的镜头。
- He looked through his telescope at the approaching ship. 他透过望远镜看着驶近的轮船。
- It is difficult to telescope 200 years of history into one lecture. 把二百年的历史浓缩在一个讲座中很是困难。
- He saw a hungry wolf on the prowl with his telescope. 他通过望远镜看到了一头四处觅食的饿狼。
- vacuum telescope 真空望远镜
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
