Ferrojacobsite
铁锰尖晶石
🗣️ 情景例句
Keep right unless overtaking.
要靠右驾驶，除非超车。
Lazy folks take the most pains.
懒汉多吃苦。
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。