英语语法分析

Ovule primordia are formed in mid-March.

三月中旬，胚珠原体形成。

This phenomenon was probably correlated with ovule abortion.

这种现象可能与胚珠后期败育有关。

The abnormal ovule often appear simultaneously with the abnormal anther.

胚珠的异常常伴随着花药的异常而发生。