问：
为什么要刷牙了一个缩进脚，我们又怎能保护刷牙？
答：
垂直向上和向下刷。不能太多精力。
答：
作为洗相同鞋
Why would brush teeth out of an Indented foot, how can we protect the teeth brushing?
Question:
Why would brush teeth out of an Indented feet, how can we protect the teeth brushing?
Answer:
vertical brush up and down. can not be too much effort.
Answer:
the same shoes as the wash04-12-15
