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来源:雅诚德英语网
Across vast areas of western North America, increasingly mild winters are causing massive outbreaks of bark beetle.
在北美西部的广大地区,日益温暖的冬季正导致树皮甲虫的大规模爆发。
Across vast areas of western North America, increasingly mild winters are causing massive outbreaks of bark beetle.
在北美西部的广大地区,日益温暖的冬季正导致树皮甲虫的大规模爆发。