Aerial contamination
[化] 空气污染
🧩 词语组成解析
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
🗣️ 情景例句
I'm doing it for you.
也是为你做的。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。