In your student's case, perhaps the angle of the clarinet may be key since it sounds as if he doesn't have all that much physical flexibility within the oral cavity itself.
In your student's case, perhaps the angle of the clarinet may be key since it sounds as if he doesn't have all that much physical flexibility within the oral cavity itself.
在你学生的个案中，因为听起来由于缺乏口腔内部组织的灵活性，或许单簧管的角度是个关键点。