Hatchettolite
铀钽铌矿(铀、钙等的钽铌酸盐)
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Let's celebrate!
让我们好好庆祝一下吧!
He feels ill.
他觉得不舒服。