Bindheimite
水锑铅矿
🗣️ 情景例句
Is something the matter, Grandpa?
怎么了，爷爷？
A little knowledge is a dangerous thing.
浅学误人。
That's all right. Why don't you call me Robert or Bob? But please don't call me Mr. Bob.
没关系。你为什么不叫我罗伯特或鲍勃？但请不要叫我鲍勃先生。