| 1. | To bypass this impediment an almost mature egg cell is removed surgically .
为了克服这一障碍，通过手术，取出一个差不多成熟的卵细胞。 |
| 2. | An egg cell removed from mrs. carr was fertilized in a laboratory dish with sperm from her husband .
从卡尔夫人卵巢里抽出一个卵细胞和她丈夫的精子在实验器里受精。 |
| 3. | An egg cell removed from mrs., carr was fertilized in a laboratory dish with sperm from her husband .
从卡尔夫人卵巢里抽出一个卵细胞和她丈夫的精子在实验器里受精。 |
| 4. | An egg cell cannot develop into a new life by itself
卵细胞不能独自衍生成一个新的生命。 |
| 5. | Fertilization : only one sperm cell penetrates the outer layer of the egg cell
受精：只有一个精子穿透卵子的外层。 |
| 6. | The style leads to the ovary which contains the female egg cells called ovules
柱头连着子房，子房里含有雌性的卵细胞称为卵子。 |
| 7. | Venter the swollen base of an archegonium that contains the egg cell ( oosphere )
颈卵器)腹部：颈卵器内含有卵细胞(卵球)而向外膨大的基部。 |
| 8. | The head of the sperm cell and the nucleus of the egg cell then unite and form a new cell : the zygote
然后，精子的头和卵子的核融合，形成一个新细胞：受精卵。 |
| 9. | The process involves injecting human dna into an animal egg cell from which the nucleus has been removed
该过程涉及将人dna注射到细胞核已被移除的动物卵细胞中。 |
| 10. | However , when spermand egg cells are formed , the maternal and paternal chromosomes swap bits ofdna to create a new mixture
然而，当精子和卵子形成时，父系和母系的染色体都会交换若干dna ，生成新的混合体。 |
