Taconite
n. 铁燧岩
🗣️ 情景例句
You had it engraved!
你在上面刻了字！
For my math requirements, I'll be taking algebra, calculus, and trig.
数学的必修学分预定选代数、微积分、三角法。
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。