a practice lesson

• 练习课

a practice lesson的用法和样例：

例句

1. Spending too much time on an activity or lesson in a single study session creates boredom and inattention.
   在一次学习中，花费过多时间在一个活动或练习课上都会让人感到乏味，注意力分散。
2. I stayed with my son at his first soccer practice and looked on as the coach worked with the boys.
   我陪儿子上他的第一堂足球练习课，并于教练指导这群男孩时在旁观看。