archegonia发音

意思翻译

颈卵器（archegonium的名词复数）

相似词语短语

archegonia head───颈卵器头

archegonia moss───颈卵器苔藓

archegonia group───颈卵器群

archegonia def───颈卵器

archegonia botany───考古学植物学

archegonia are───颈卵器

archegonia image───颈卵器象

archegonia genus───颈卵器属

双语使用场景

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。

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。

Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.───除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。

(of mosses) having the archegonia at the top of the stem.───（苔藓）主干顶端有颈卵器。

It can be observed that the embryos break through the archegonia after fertilization.───原叶体受精后幼胚突破颈卵器生长。

The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated.───成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞，但颈细胞和腹沟细胞已经退化。

英语使用场景

Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.

In the presence of water, sperm from the antheridia swim to the archegonia and fertilisation occurs, leading to the production of a diploid sporophyte.

In humus soil, cordate prothalli did not bear archegonia, and thus the process of sexual reproduction ofSgrevilleoides could not be finished.