The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.
花粉粒
(花粉
)通常为特异性的并很难腐烂。

;孢子

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.
花粉粒
(花粉
)通常为特异性的并很难腐烂。
声
:以上例句、词性分类均由互联网资源自动生成,部分未经过人

,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。