What would be the probability that a married couple would live, both of them, to the time when their children were grown?
一对已婚夫妇双双活到,孩子成年之后的概率是多少呢
When I was growing up, and even into my adulthood,
在我小时候,甚至到我成年,
The writer observes that humans emerge from innocent childhood to self-conscious adulthood.
作者发现,人类从天真的童年,过渡到有自我意识的成年。
When he goes to Europe on his big sortie, on his big-boy trek through Europe he goes around and he visits all of these botanical gardens.
他的访问团曾到欧洲,在穿越欧洲的成年之旅中,他到处游历,参观了各种植物园
Those two examples I just gave you, one had to directly inject a gene containing vector into the pronucleus of a fertilized egg and you don't have that opportunity in adults.
在我刚给出的两个例子里,一个必须得将带有目的基因的载体,直接注射到受精卵的原核中,这在成年人身上行不通
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