Scheteligite
水钛铌钇锑矿, 锑钨绿石
🗣️ 情景例句
Mr. Lu, we are very pleased to be able to offer this product to you.
陆先生，我们很高兴能提供这个产品给您。
A man may dig his grave with his teeth.
祸从口出。
It was a good suggestion.thanks.
你建议得不错，谢谢。