他们落后平均超过两个月的阅读量。

They fall behind by an average of over two months in their reading.

youdao

超过两个月，白天也看不到太阳。

For more than two months you can't see the sun.

youdao

超过两个月，白天也看不到太阳。

For more than two months you can't see the sun.

youdao