Ledkore
有铅垫板的沥青防水层
🗣️ 情景例句
This may sound like a dumb question, but I'd like to know.
这也许是个愚蠢的问题，但我想知道。
Not all butter that the cow yields.
母牛所产的未必全是黄油。
Do you like stories? I want to tell you a true story.
你喜欢听故事吗？我要告诉你一个真实的故事。