Pollutant diffusion
[化] 污染物扩散
🧩 词语组成解析
pollutant
[pə'lu:tənt]
n. 污染物;
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。