Ugandite
铋钽矿
🗣️ 情景例句
Any stocks or bonds?
有股票或债券吗？
It wasn't any bother.I was glad to do it.
不麻烦.我乐意做。
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。