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来源:雅诚德英语网
Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects.
候鸟会影响老家和冬季目的地两者的生态系统,而扰乱传统路线就可能会产生意想不到的副作用。
Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects.
候鸟会影响老家和冬季目的地两者的生态系统,而扰乱传统路线就可能会产生意想不到的副作用。