Anthracitization
无烟煤化作用
🗣️ 情景例句
I haven't decided whether I will go camping or not, but it is certainly possible.
我还没决定是否去露营，但还是有可能去的。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。