Age of catalyst
[化] 催化剂寿命
🧩 词语组成解析
age
[edʒ]
n. 年龄;时代;老年;年龄段;
vt.& vi. （使）长大;使显老;使变老;使苍老;
vi. [化学]老化;陈化，熟化;（吸毒者随年龄增长而主动）戒毒，戒除毒品;
vt. [化学]使老化;使陈化;使熟化;估计，推测（马的年龄）;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Sure ... and a little scared.
当然……还有一点紧张。
Speak less and listen more.
要少说多听。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。