英语语法分析

One pronuclei is derived from the egg and one from the sperm.

一个是卵细胞核，另一个是精细胞核。

Visualization of two pronuclei the following day confirms fertilization of the egg.

第二天看见两个核确定卵细胞受精。

CB can increase the two pronuclei formation rate of oocytes by inhibiting the extrusion of second polar body.

CB能抑制卵母细胞激活后第二极体排出，从而提高原核的形成率。