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
Follow the recipe properly or it will never come out right.
照着菜谱说的做，不然的话，味道就不对。
What day was yesterday?
昨天是星期几？
Have you any small change, sir?
先生，您有零钱吗？