mass extinction

• 大量消亡

mass extinction的用法和样例：

例句

1. 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。
2. 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。