The tongue coating is regarded as thin coating if the underlying tongue surface can be seen faintly, whereas the thick coating means that the tongue surface cannot be seen.
The tongue coating is regarded as thin coating if the underlying tongue surface can be seen faintly, whereas the thick coating means that the tongue surface cannot be seen.
舌苔的厚薄，也就是透过苔能隐隐见到舌体的为薄苔，不能见到舌体的为厚苔。