Borol
硼硫酸(钾)钠
🗣️ 情景例句
Come on! You'll hear about it.
来吧， 来听听。
What's your opinion?
你觉得呢？
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。