Person-years
(person-year 的复数) n. 人工作年；人年(统计学中工作量计算单位, 表示一个人一年的完全的工作量)
🧩 词语组成解析
n. 年代；岁月；年；年龄
🗣️ 情景例句
Rome wasn't build in a day.
伟业非一日建成。
He that would the daughter win, must with the mother first begin.
欲得女儿欢，先遂其母意。
Fine, thanks, Dad. What about you?
很好，谢谢爸爸。你呢？