Hatchettolite
铀钽铌矿(铀、钙等的钽铌酸盐)
🗣️ 情景例句
Going away to college for the first time
第一次离家上大学，
Jack grew timid when he saw the size of the shoes on the front step.
杰克看到了放在玄关的鞋子的尺寸时，甚为吃惊。
Where do you work?
你在哪上班？