Rashing
煤层底板的软碳质页岩
🗣️ 情景例句
Is that a proposal, or are we just playing a game?
这是求婚呢 ，还是仅仅在玩游戏？
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。
Yes, it is.
是的。