Within the next weeks the mustard would grow in profu sion, then be plowed under to fertilize . 再过几个星期,芥菜就要长得密密麻麻的,然后就一起翻到地里作为肥料。
This change in morphology is associated with important physical and cytochemical changes and with an increase in their capacity for motility and their fertilizing ability . 这种形态学的变化是与重要的物理学和组织化学的变化以及活力和受精能力的增强有关。
Conception occurs when a sperm fertilizes the egg 当精子使卵子受精时便产生受孕。
Flowers are often fertilized by bees as they gather nectar 蜜蜂采蜜时常使花受粉
Just announced their intention to fertilize an egg 刚刚声明他们希望不用精子细胞