bell work

短语

别名

bellwork

释义与例句

n.
  1. 1.

    A small quantity of schoolwork, with instructions posted or announced at or before the start of class, so that students commence working on it as soon as the class period has begun.

    不可数

词源

From bell + work. In most schools, a bell rings to signify the beginning of class.

来源：wiktionary