Ledbit
有铅垫板的沥青防水纸
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
My brother is not quite twenty-five.
我的兄弟不够25岁。
Our product is competitive in the international market.
我们的产品在国际市场上具有竞争力。