Chromitite
铬铁岩
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
When Emily came home at three in the morning, her father hit the ceiling.
哎米莉在凌晨2点钟回家时，她父亲大发雷霆。
Why don't you do the experiment? I'm sure you would do it really well.
你干吗不做这个实验呢？我相信你一定会干的很棒的。