Semifusinite
[地质]半丝碳煤素质
🗣️ 情景例句
I don't know.
我也说不上来。
How long will it take for a letter to get to California?
你把信寄到加州要多长时间？
Before we had time to worry about what might happen, we were back on the plain again.
我们还未来得及担心后果，车已重新开上了平地。