translation.en: And a couple of years after that, they'll be able to see in ultraviolet, they'll be able to see in infrared, they'll be able to focus their eyes, they'll be able to come into a microfocus.
translation.zh: 过了几年，他们就能看见紫外线了， 又能看见红外线了，能聚焦视力了， 可以在微距上看东西。