Tactite
接触岩
🗣️ 情景例句
I know what you mean.
我懂得你的意思。
That's not a good idea!
这样不太好吧！
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。