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 want to thank you in advance.
在此先致谢，请多多关照。
No one can have all he desires.
无人能有所欲有。
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；