青蛙一次产出成千上万只卵,只为了少数几个子代成蛙,这是多么大的浪费!
What a waste for a frog to lay so many thousands of eggs for just a couple of juvenile offspring!
雌性草海龙一次大约能产卵250枚,而照看这些卵的任务却由雄性承担。
The female produce 250 eggs at a time and the male looks after them.
有一次,爱迪生看见母鸡孵小鸡,为了研究,他也坐到卵上,专心地孵了一整天。
Once, Edison saw some hens hatching chicks. For the sake of research, he sat on some eggs for a day in full attention.
埋植大颚器7次能显著提高成熟系数和促进卵径增大。
MO implantation for 7 times caused increase of gonadosomatic index(GSI) and promoted the enlargement of oocyte diameter.
如果所有这些都顺利,雌性鬣蜥会一个接一个连续不断地一次性地产下所有卵。
If all has gone well, female iguanas will lay their eggs continuously one after the other all at one time until they are done.
如果所有这些都顺利,雌性鬣蜥会一个接一个连续不断地一次性地产下所有卵。
If all has gone well, female iguanas will lay their eggs continuously one after the other all at one time until they are done.
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