知識貝殼
知識貝殼
所屬欄目：漢英中獸醫(yī)
Yin and yang are opposite to each other.They keep changing with yang waxing and yin wanning or vice versa.An increase or excess of the one means a decrease or deficiency of the other.This is often used to explain pathological changes such as hyperactivity ......（本文共 275 字 ） [閱讀本文] >>