Normalcy
大学 Collegen. 常态
✅ 同义词
🔴 反义词
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
All time is no time when it is past.
光阴一去不复返。
I have a letter of introduction here.
我这儿有一封介绍信。