Schungite
[地质]次石墨
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
The consignment appears to have been roughly handled and left near a heater.
看来货物未受到细心的处理，并且被放置于加热器附近。
You have a very good memory.
你的记性真好。