Scherbakovite
硅铌钡钠石
🗣️ 情景例句
The cassette player and the tapes.
卡式录音机和录音带。
Let me put it this way.
让我这么说吧。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。