Vignite
磁性铁矿
🗣️ 情景例句
Yup. Forty-three years.
是的， 四十三年了。
Before I eat dinner,I read the newspaper for a while.
在我吃晚饭以前，我花一会儿读报纸。
We're going to be placing a large order soon.
我们马上就会下一张大订单了。