Many kinds of birds live in theUnited States,but the number

学习时间:2026-10-09 23:35:03 阅读：1761

Many kinds of birds live in theUnited States,but the number of the birds is

现代的大雁

2026-10-09 23:35:03

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Many kinds of birds live in theUnited States,but the number of the birds is becoming smaller and smaller。但是鸟的数量变得越来越少。