英语语法分析

Ginseng is a Nootropic.

人参是一种益智药。

METHODS: Mouse water maze was used to evaluate nootropic effect.

方法：采用小鼠水迷宫评价促智作用。

OBJECTIVE To study the nootropic effect of compound Caulis Polygoni Multiflori mixture in mice.

目的研究复方首乌藤合剂对小鼠的促智活性。