Boghead coal
[机] 烟煤
🧩 词语组成解析
[机] 烟煤
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
🗣️ 情景例句
Where did you come from?
你从哪里来？
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
'No, not at all,' I answered.'I'm going to. '
“不，不忙，我打算去。。。。。。”我回答。