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
He looked up at me.
他仰头看我。
May I use your telephone?
我能用你的电话吗？
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。