英语语法分析

Hamilton euonymus is a good ornamental species.

桃叶卫矛是优良的观赏树种。

An erect to straggly shrub (Euonymus americanus) of the eastern United States having inconspicuous flowers and showy pinkish fruit.

一种直立稀疏的灌木（美洲卫矛卫矛属） ，产于美国东部，有不显著的花和鲜艳的粉红色果实。

Objective to study the ultrasonic extraction technics of total flavonoids in Euonymus Sacrosancta Koidz and optimize factors of extraction.

目的研究卫矛中总黄酮的超声提取技术，确立最佳提取条件。