mass extinction是什么意思 mass extinction怎么读
mass extinction的用法和样例
- If we intend to continue down a path of extinction, then we will.
如果我们意愿一条消亡的道路，那我们也如此。 - The completion of the railroad was the precipitating cause in the extinction of waterborne commerce.
这段铁路的建成加快了水上贸易的消亡。
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