开车走的时候，我留意到两只松鼠互相追逐着，爬上了其中一棵山核桃树。
Pulling from the curb, I noticed two squirrels chasing each other up one of the pecan trees.
研究者为这两只松鼠猴注射了某种病毒，该病毒经处理携带了修正过缺陷的基因。
Researchers treated the monkeys by injecting them with a virus that had been modified to carry a corrective gene.
这些医生花了10年时间来训练这两只松鼠猴接受色视觉测试，这类测试是用来评估该疗法疗效的。
Doctors spent nearly 10 years training the monkeys to take colour vision tests, which were used to assess how well they responded to the treatment.
狐狸和乌鸦又和他一起，这次，他带来了两只驯服的松鼠。
The fox and the crow were with him again and this time, he had brought two tame squirrels.
通过接受基因疗法，两只天生色盲的松鼠猴现在已经能辨别颜色了。
Two squirrel monkeys that were colour-blind from birth have had their vision restored after receiving gene therapy.
Sam和Dalton是两只雄性松鼠猴，医生称，它们在接受该治疗五个月后，所看到的世界就是全彩的了。
Sam and Dalton, two male squirrel monkeys, were able to see the world in full colour five months after being treated, doctors said.
这时，两只萤火虫悄悄的跟在小松鼠身后。
All this time, the two fireflies were following the little squirrel quietly.
这时，两只萤火虫悄悄的跟在小松鼠身后。
All this time, the two fireflies were following the little squirrel quietly.
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