Stepped aging
[化] 阶段时效
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
aging
['eidʒiŋ]
n. 老化;老龄化;（酒等的）陈化;熟化;
v. 使变老;（使）长大( age的现在分词 );使显老;使变老;使苍老;
🗣️ 情景例句
Don't eat any strange food.
别吃什么不对劲的食物。
No, thank you. But it was very kind of you to offer.
不用了，谢谢。承蒙您好意提出。
The explanation was simple but very unusual.
解释很简单，却异乎寻常。