http://www.youtube.com/watch?v=D9OkC88r4rM 0:48 it takes a while for your body to understand that it has to feed off of itself, and that you're not going to give it something else from the outside. 体外から栄養を摂らずに自の身体を栄養源にしていくことを自分の体がおぼえるのには少し時間がかかる。
練習問題解答
a-4016 feeding off