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
Would you like me to reschedule you for another time?
要不要我再另外为你安排别的时间？
How much do you charge per unit?
你们每件要价多少呢？
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。