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 kinds of articles have you written?
你写过一些什么样的文章？
Don't put off till tomorrow what should be done today.
今日事，今日毕。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。