lesson
n. /ˈles.ən/ A1
课；经验教训
A period of time when students learn a subject.
仙境例句
Alice had lessons at her own day school too, but never a single lesson in Drawling.
爱丽丝在自己的走读学校里也上课，可从没上过一节“拖腔”课。
原著这一句
“And how many hours a day did you do lessons?” said Alice, in a hurry to change the subject.
“你们每天上几个小时的课呀？”爱丽丝急忙换了个话题。
卡罗尔原著 · 第 9 章