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
She's very talented.
她很有才华。
Never challenge a fool to do wrong.
不要怂恿愚人干错事。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？