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
It hurts so much when a baby gets his first teeth.
小孩子长第一颗牙齿时好痛哟。
Oh, really? Where did you go?
哦，真好？去哪儿了？
North Island is famous for an area of hot springs, some of which throw hot water high into the air.
北岛以其温泉区而闻名，其中有一些温泉将热水高高地喷向空中。