Zeylanite
铁镁尖晶石
🗣️ 情景例句
What year are you?
你是哪一级的？
For professional footballers, injuries are an occupational hazard.
对于职业足球运动员来说，受伤是职业本身带来的危险。
Do you think you'll be able to go to sleep right away?
你认为你马上就能睡着吗？