1、He remains an un-impregnated ovum, an unfertilized pistil.
他依舊是一個未受胎的卵，一個未得花粉的雌蕊。

2、In these species, fertilized eggs develop into females and unfertilized eggs into males.
在這些物種中，受精卵發(fā)育為雌性，未受精卵發(fā)育為雄性。

3、She also included unfertilized plots as a scientific control.
她還把一些不施化肥的地塊作為科學控制組。

4、In the unfertilized egg, the substances are inactive and are not distributed homogeneously.
在未受精卵中，這些物質是不活躍的，而且分布不均勻。