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
who spent the last five years
用过去五年的时间
We can offer a discount in progressive stages according to the size of the order.
根据订购数量的大小，我们可提供累进的折扣。
Fine! I have a new watch. Do you like it?
很好，我有一块新手表，你喜欢它吗？