Lesleyite
钾珠云母
🗣️ 情景例句
What do you do for a living?
你是做什么的？
Cat got your tongue?
怎么不说话了？
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。