Becquerelite
深黄铀矿
🗣️ 情景例句
The work is not as difficult as you think.
工作不像你想象的那么难。
I can't express myself very well in English.
我不能很好地用英语表达自己。
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。