The bobwhite, for example, common in the south-eastern and eastern United States, is decreasing.

比如，在美国东部和东南部很常见的美洲鹑的数量正在减少。

youdao

The bobwhite, for example, common in the south-eastern and eastern United States, is decreasing.

比如，在美国东部和东南部很常见的美洲鹑的数量正在减少。

youdao