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
You will only have to pay another ten cents and a nickle for your child.
你只需另外再付10美分，而你的孩子只要再付5美分。
A man may dig his grave with his teeth.
祸从口出。
When several elephants are being trained at one time,
几只象同时训练时，