英语语法分析

The pollen tube entered into the embryo sac via one synergid.

花粉管经由一个助细胞进入胚囊；

The persistent synergid may still have a synthetic function as its cell wall becomes thick and lipids occur.

因宿存助细胞壁变厚，细胞质内出现脂滴，宿存助细胞可能仍有合成功能。

Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants.

存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。