1. The plant is now in danger of extinction.
   这种植物现在有绝种的危险。
2. The island’s way of life is doomed to extinction.
   这个岛上的生活方式注定要消失。
3. Habitat loss and fragmentation is the primary cause of population, metapopulation and species extinction worldwide.
   生境丧失和破碎化是生物多样性丧失的主要原因，并得到了广泛的关注。
4. All water used by the fire-brigade for fire extinction purpose is supplied free by an act of Congress.
   根据议会的法案,消防队用于灭火的水全部免费供应。
5. By binding to certain glutamate receptors, D-cycloserine selectively enhances extinction, suppressing the effects of conditioned associations such as anxiety, addiction and phobias.
   通过与特定的谷氨酸酯结合，D-cycloserine选择性的增强了遗忘，抑制了由于焦虑，上瘾和恐惧所带来的效果。
6. Last December scientists announced the probable extinction of the first mammal because of climate change: the white lemuroid possum, now gone from Queensland, Australia.
   2008年12月，科学家宣布第一个可能因气候变迁而灭绝的哺乳类：白狐猴负鼠，已经从澳洲的昆士兰消失了。
7. Evolution is regarded as a branching process, whereby populations are altered over time and may speciate into separate branches, hybridize together, or terminate by extinction.
   进化被视为一个分枝过程；随着时间的推移，种群发生改变，种群也可能进化成为分枝，也可能相互杂交或灭绝终止。

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