Shcherbakovite
n. [矿]硅铌钡钠石
🗣️ 情景例句
Is it too early to call Mr. Carlson?
现在打电话给Carlson先生会不会太早了？
To dart through sky
突破阴霾的天空
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。