Bismuthite
[化] 泡铋矿
🗣️ 情景例句
Of course, I'll visit at least once a year, maybe more.
当然，我最少每年会来拜访一次，也许更多次。
Sailboats glided motionlessly across the lake.
帆船静静地像滑动似的在湖上前进。
Am I allowed to stay out past 10?
我可以十点过后再回家吗？