Plants are also able to distinguish between specific wavelengths of light that the human eye cannot even see!
植物还能分辨出人类肉眼看不到的特定波长的光！
2
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。
3
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.