Leukotine
巴拉柯土(树皮)素
🗣️ 情景例句
Are you sure you are dialing the right number?
你确定你打的号码是对的吗？
What is happening over there?
那里发生什么事情？
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。