Samarskite
n. [矿]铌钇矿
🗣️ 情景例句
Oh yes.
你好。
Would you ming calling her sometime?
你可以找个时间打电话给她吗？
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。