produce pollen

• 产生花粉

produce pollen的用法和样例：

例句

1. Stamen is in the middle of a flower and may produce pollen.
   雄蕊长在花的中央，能产生花粉。
2. Cycads and ginkgo have motile sperm, unlike gnetophytes and conifers, which produce pollen.
   苏铁和银杏具活动精子可区别于买麻藤和松柏类，它们不产生花粉。