become extinct 灭绝;绝种
- And at one time in the past, I almost became extinct.
曾经在过去一个时期,我几乎濒临灭绝。 - Scientists do not know why dinosaurs became extinct,but some theories postulate that changers in geography, climate, and sea levels were responsible.
科学家不知道恐龙为何绝种了,但是一些理论推断是地理,气候和海平面的变化造成的。 - They became extinct, Tim.
提姆,他们灭绝了。
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