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
I think Michelle is asleep now. Let's talk.
我想Michelle现在睡着了。让我们谈谈吧。
There are three terms in a school year.
一学年有三个学期。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。