Pectolite
针钠钙石
🗣️ 情景例句
Thank you, sir.
谢谢您，先生。
The dogs bark, but the caravan goes on.
我行我素，岂管他哉。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。