英语语法分析

Nelumbo nucifera has a long history in our country.

荷在我国有着悠久的历史。

Neferine (Nef) is a dibenzylisoquinoline alkaloid isolated from a Chinese medicinal herb ( Nelumbo nucifera Gaertn ).

甲基莲心碱是一种双苄基异喹啉类生物碱。

The genesis and development of Nelumbo nucifera root and root system in ontogeny and their adaptation were studied in this paper.

本文研究了莲根和根系在个体发育中的发生与发育及其适应。