Karpholite
硅酸铁锰矿
🗣️ 情景例句
Have you any experience with a computer?
你有使用电脑的经验吗？
Well, I think it's time we get back to business.
哦，我认为我们该回到正题上了。
I left a suitcase on the train to London the other day.
几天前我把一只手提箱忘在开往伦敦的火车上了。