Extinction

(noun.) the act of extinguishing; causing to stop burning; 'the extinction of the lights'.

(noun.) a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus.

(noun.) complete annihilation; 'they think a meteor cause the extinction of the dinosaurs'.

(noun.) the reduction of the intensity of radiation as a consequence of absorption and radiation.

(noun.) no longer in existence; 'the extinction of a species'.

(noun.) no longer active; extinguished; 'the extinction of the volcano'.

克利夫顿录入

• But before extinction overtook them, even the Neanderthalers learnt much and went far. 赫伯特·乔治·威尔斯. 世界史纲.
• Must you ever go on down the ages to your final extinction but little above the plane of the dumb brutes that serve you! 埃德加·赖斯·巴勒斯. 火星公主.
• Therefore, the utter extinction of a group is generally, as we have seen, a slower process than its production. 查尔斯·达尔文. 物种起源.
• But we have already seen how it entails extinction; and how largely extinction has acted in the world's history, geology plainly declares. 查尔斯·达尔文. 物种起源.
• A blaze of love, and extinction, was better than a lantern glimmer of the same which should last long years. 托马斯·哈代. 还乡.
• There has been much less extinction of the forms of life which once connected fishes with Batrachians. 查尔斯·达尔文. 物种起源.
• The moon and stars were closed up by cloud and rain to the degree of extinction. 托马斯·哈代. 还乡.
• The extinction of scientific and of all other learning seemed imminent. 李贝. 西洋科学史.
• The sabre-toothed tiger was diminishing towards extinction. 赫伯特·乔治·威尔斯. 世界史纲.
• Thus extinction and natural selection go hand in hand. 查尔斯·达尔文. 物种起源.
• This is suggested by flame, simmering liquids, the excitement of heat by motion, the extinction of fire by compression, etc. 李贝. 西洋科学史.
• In this last cause tending to bring about extinction there was a mysterious element. 李贝. 西洋科学史.
• In the war of extermination that was ever before the great naturalist's eye in South America, what is it that favors a species' survival or determine s its extinction? 李贝. 西洋科学史.
• A broken or interrupted range may often be accounted for by the extinction of the species in the intermediate regions. 查尔斯·达尔文. 物种起源.
• The extinction of species has been involved in the most gratuitous mystery. 查尔斯·达尔文. 物种起源.

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