Scherbakovite
硅铌钡钠石
🗣️ 情景例句
She is unwilling to participate.
她不愿意参加。
Let every man speak well of the bridge theat carries him over.
饮水思源。
We agree to insert a clause giving you a ten-day grace period.
我们同意给你加上一条10天宽限期的条款。