Natronbiotite
鈉黑云母
??? 情景例句
He is now involved in stocks.
他現在熱衷于股票。
An idle youth, a needy age.
少壯不努力，老大徒傷悲。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
隨后他們繼續干活，一個工人在干活時點燃了一支香煙。可是他覺得有一股怪味，他就把煙滅了。