archegonia

Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.

许多林木树种都有颈卵器, 受精以后便产生许多原胚.

辞典例句

A similar section through the female plant reveals several bottle - shape archegonia , the female reproductory organs.

通过雌株末梢的纵切面所现出的几个瓶 状 的颈卵器, 这就是雌性生殖器官.

辞典例句