Dever
n. （葡）义务
🗣️ 情景例句
But there's the old community center on Elm Street.
但是在Elm街有一个旧的社区中心。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
She got to school early. She had a little rest after lunch, but she worked hard in class all day.
她早早来到了学校。午饭后她小休一会儿，但一整天她在课堂上都很用功。