Jacutinga
(=jacutingite, jacutine)薄层富赤铁矿
🗣️ 情景例句
Mr. Levine, Susan Stewart.
Levine先生， 我是Susan Stewart。
Have you got anything larger?
有大一点的吗？
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。