natural crystal

• 天然晶体

natural crystal的用法和样例：

例句

1. This is an all-in-one lens removal and replacement kit, looking rather like a robot, that is designed to treat people whose natural lenses are going cloudy, thus making them blind.
   这是一个一体化的晶体移除和替换设备，看起来很像一个机器人，它被设计用来治疗那些天然晶体正在变混浊而导致失明的人们。