Normal failure period
[电] 正常失败周期
🧩 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
Who's bringing the booze?
谁带的酒？
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
So he took off the second shoe and put it under his bed very quietly.
他脱下第二只鞋子，轻轻地放在床下边。