Corequisite
n. (规定须与其他课程同时修习的)并修课程
🗣️ 情景例句
Hi, girls.
嗨 ，女孩们好。
How did you go?
你怎么走？
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。