Contamination tests
[建] 污垢试验
🧩 词语组成解析
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
n. 测验（test的复数）
🗣️ 情景例句
I have to think about it.
我得想一想。
Why are you so excited?
你为什么这样兴奋？
There's a hair in my soup.
我的汤里有根头发。