"Secret" pinyin: mìjí, which is the same as "secretary", meaning "a book that can't be told to others"; Secret book box. The secret book is the embodiment of ancient mysterious things in China. Ancient emperors wanted to live forever, and some charlatans tried their best to refine Dan medicine, and called the formula of refining Dan medicine "secret recipe", which is a way of inheritance.

Make sentences:

1, speaking of health preservation, I have a secret to share with you. Go to bed early and get up late. Rest assured, stretching is the most important thing.

2, travel tips: a love, a happiness, a bed quilt, an umbrella, a bottle of sunscreen, a sun hat, a pair of sports shoes, a lucky bag.

3. Send you a martial arts secret, a good luck fist, healthy long legs, a happy knife cut, a proud life knife cut, and an arrow of luck.