精之 meaning in Chinese

akiyuki
seishi

It is really an excellent medicine of nourishing the kidney . so chinese wolfberry is the monarch drug in a prescription . mulberry is also good medicine with the effects of helping build the liver and production of kidney essence and it is the ministerial drug
真乃补肾之圣药，枸杞重要为君尚有桑椹子，亦是补肝血生肾精之精品为臣尚有山栀子等清热解毒，利水消肿为佐人参黄芪大补元气。