In 2001, the environmental quality of most of the Marine regions in China was mainly in good condition.

2001年，中国大部分海域环境质量基本保持良好状态。

youdao

In 2001, the environmental quality of most of the Marine regions in China was mainly in good condition.

2001年，中国大部分海域环境质量基本保持良好状态。

youdao