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
With a little help from the ASPCA,
可以请ASPCA帮忙，
Peace, baby!
宝贝，安静下来！
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。