pollution degree

pollution degree 基本解释

污染程度：指环境或地区受到污染的程度或严重程度。

pollution degree 用法和例句

1、The content of N and P in microorganism in tested soil had negative correlation with the pollution degree of heavy mends.

供试土壤微生物氮量和磷量与重金属污染程度呈负相关。

重点词汇

pollution n. 污染（作用）；腐败；堕落；沾污

degree n. [乐]音阶，度；[数]度，度数；程度；学位