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- We may live to see the extinction of the whale. 人类或许能亲眼见到鲸的灭绝。
- 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。
- 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。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- 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。
- 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
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- 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
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Some species are facing extinction. 一些物种正面临灭绝。
- Precipitate the extinction of sth. 促进某种事物的消灭
- Many animals and birds are now extinct. 许多鸟兽现已绝种。
- extinction frequency 熄减频率
- This species was doomed to extinction. 这一种类注定要灭绝。
