Gan
v. [古语]开始；着手（gin的过去式）
🗣️ 情景例句
Grandma's pearls!
祖母的珍珠项！
He gets more professional satisfaction from teaching.
从事教育职业，他更感受到职业上的满足。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。