英语语法分析

A flower may contain more than one carpel.

一朵花可以有一个以上的心皮。

In a floral formula a superior ovary is denoted by a line below the carpel number.

写花程式时，子房上位的表示方法是在心皮数下加一横线。

The nectary originates from the several outer layer cells of base of carpel primordia.

蜜腺起源于心皮原基基部外侧的几层细胞。