Hatchettolite
铀钽铌矿(铀、钙等的钽铌酸盐)
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
Fooling around
闲荡
he is lending the bank money, repayment of which he may demand at any time,
就等于把钱借给了银行。这笔钱他可以随时提取，