... 卵叶管 Egg tube，Ovarian tube 破壳器 Egg-burster，Egg tooth，Hatching spine 卵对 Egg-envelope ...
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One man wrote his will on an envelope, another on the door, and a third on an egg.
有一个人把他的遗嘱写在一个信封上，另一个人写在门上，第三个人写在鸡蛋上。
A donor cell is fused to the egg by pulses of electricity, which break down the donor cell's outer membrane and allow the egg to envelope its new nucleus.
通过电流脉冲击破施主细胞的外层膜将其熔入卵内，使卵把这一新的细胞核裹住。
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