例句 |
The sex of the child is predetermined when the egg is fertilized.卵细胞受精时,孩子的性别就预先确定了。If two ova are fertilized at the same time, the mother will have twins.如果两个卵子同时受精,母亲就会生出双胞胎。It only takes one sperm to fertilize an egg.只需要一个精子就能让卵子受精。A donor egg fertilised by her husband's sperm will be implanted in her womb.一个由她丈夫的精子受精的供卵将植入到她的子宫内。Only one sperm fertilizes an egg.只有一个精子使卵子受精。The medical professional bodies reply that development from fertilisation onwards is a continuum.专业医疗机构答复说受精以后的发育是连续的。Once an egg is fertilized by the sperm, it becomes an embryo.卵子受精后即成胚胎。The sperm fertilizes the egg.精子使卵子受精。After the egg has been fertilized, it will hatch in about six weeks.蛋受精后六周左右孵化。If the egg is not fertilised oestrogen and progesterone decrease.如果卵细胞没有受精,雌激素和黄体荷尔蒙就会下降。Development from fertilization onwards is a continuum.从受精开始的生命过程是一个连续的整体。In human reproduction, one female egg is usually fertilized by one sperm.在人类生殖过程中,通常是一个精子使一个卵子受精。 |