Maintenance period
[化] 保养周期
🧩 词语组成解析
period
['pɪrɪəd]
n. 时期;（一段）时间;学时;句号;
adj. 具有某个时代特征的;（关于）过去某一特定历史时期的;（家具、服饰、建筑等）某一时代的;
peri周围，靠近+od道路→周期
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
It is a good horse that never stumbles.
良马不失蹄。
They finally found a small gold coin which was almost worthless.
但最后找到的是一枚几乎一钱不值的小金币。