秋天在美国图片。颤杨就像这样在科罗拉多州的埃尔克山西部，树叶在微风中颤抖这是普通横过北美洲。

Quaking aspens like these in the Elk Mountains of western Colorado, whose leaves tremble in the slightest wind, are common across North America.

youdao

秋天在美国图片。颤杨就像这样在科罗拉多州的埃尔克山西部，树叶在微风中颤抖这是普通横过北美洲。

Quaking aspens like these in the Elk Mountains of western Colorado, whose leaves tremble in the slightest wind, are common across North America.

youdao