Oncolite
藻灰结核; 核形石
🗣️ 情景例句
But first, I think we should take a moment
不过首先 我想我们应该用一两分钟
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
No, he isn't.
不，他没有。