F number
焦距比数
🧩 词语组成解析
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
Pervert!
变态！
In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
在原始文化中，寻求和接受传统教育的义务对全民都有约束力。