Catalyst life
[化] 催化剂寿命
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
Friends, teachers....
朋友 老师……
Wise up!
别傻了！
So one day they took him to a doctor.
于是有一天他们带他去看医生。