双语例句原声例句权威例句
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From the standpoint of a traditional educator, this outcome indicated that schooling had failed to help students think about ecosystems and extinction, major scientific ideas.
从传统教育家的角度来看，这一结果表明，学校教育未能帮助学生思考生态系统和物种灭绝等主要科学思想。
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We do know that climate change is important: if you dry and warm the butterfly's habitat it will cause increased starvation and extinction.
当栖息地变得温暖干燥时，这种蝴蝶会无处觅食，进而导致种群灭绝。
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It is a natural process and extinction is the fate of any animal that has specialized too far to change when its environment changes, or has to compete with a better-adapted and more powerful animal.
这是一个自然过程，任何一种过于特化而不能随环境改变而改变的动物，或者任何一种与适应性更强、更厉害的动物来竞争的动物，灭绝都是其必然的命运。
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"There are at least 27 different indigenous groups in Colombia that are considered to be at risk of extinction largely as a result of armed conflict and forced displacement.
VOA: standard.2009.03.22
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And, in fact, once you teach an animal something, if you stop doing the teaching the response goes away and this is known as extinction.
事实上，条件反射形成以后，如果得不到强化,条件反应就会逐渐消失,这就是消退。
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These conditions permitted a development of institutions and habits needed for freedom, even as they also made Europe vulnerable to conquests and to extinction, and Europe was almost extinguished practically before there was a Europe; very early in its history.
这些恰恰是自由的形成和发展,需要的的制度和特征,尽管这也使欧洲,在外敌入侵时变的不堪一击,实际上,在它早期的历史中,欧洲在尚未形成前就差点消失
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