study coach

例句：

1. 1. Ineed a study coach to help me withmy math homework.
   我需要一个学习教练来帮我做数学作业。
2. 2. The study coach helpedme understand the material better.
   学习教练帮助我更好地理解了材料。
3. 3. Sheis a great study coach, always encouraging and supportive.
   她是一位很棒的学习教练，总是鼓励和支持我们。