Hatchettolite
铀钽铌矿(铀、钙等的钽铌酸盐)
🗣️ 情景例句
All the employees in the office eat fast food for lunch.
办公室里的职员中午都是吃快餐的。
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
No hurry.
不着急。