Contaminated catalyst
[建] 沾污的催化剂
🧩 词语组成解析
a. 受污染的；弄脏的
🗣️ 情景例句
What place would you most like to visit?
你最想到哪个地方旅行？
Have you eaten any dessert?
你吃甜点吗？
Where?
在哪呢？