The great salmon runs of the Pacific Northwest have been reduced to a trickle... Monarch butterflies are threatened by illegal logging of the Mexican forests where they winter.

往日里太平洋鲑鱼向西北的大规模迁徙已经减少到涓涓细流。非法伐木正在威胁着帝王蝶在墨西哥的冬栖地。

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The great salmon runs of the Pacific Northwest have been reduced to a trickle... Monarch butterflies are threatened by illegal logging of the Mexican forests where they winter.

往日里太平洋鲑鱼向西北的大规模迁徙已经减少到涓涓细流。非法伐木正在威胁着帝王蝶在墨西哥的冬栖地。

youdao