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- The development tendency of vacuum switch in the future is to miniaturize vacuum extinction chamber and develop high voltage vacuum switch and low voltage vacuum switch. 今后,真空开关的发展趋势是真空灭弧室向小型化发展、真空开关向高电压等级和低电压等级发展。
- We may live to see the extinction of the whale. 人类或许能亲眼见到鲸的灭绝。
- 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。
- The race was threatened with extinction. 这个种族这时眼看要灭绝了。
- Nothing could rekindle her extinct passion. 她激情已逝，无从心回意转。
- My hope of getting some employment was extinct. 我要找到工作的希望落空了。
- 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。
- The passenger pigeon is extinct. 旅鸽已绝种。
- Dinosaurs have been extinct for millions of years. 恐龙已绝种几百万年了。
- 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。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- His movie of the extinction of dinosaurs was a great success. 他的关于恐龙灭绝的电影取得了巨大的成功。
- 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
- Emancipation from ignorance and the extinction of all attachment. 解脱从无知中解放出来，并消除了所有的业力
- Is the human race threatened with complete extinction? 人类是否会受到完全灭绝的威胁呢？
- A genus of extinct, large, flightless birds native to Madagascar. 象鸟，隆鸟一种不会飞的巨鸟，产于马达加斯加岛，现已绝种
