Faulty coal
[化] 劣质煤
🧩 词语组成解析
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
Keep to the rules, and nothing can go wrong.
按规矩办事情就不会出差子。
How did you like it?
你喜欢那儿吗？
No, not exactly. But later, peole developed a way of printing, using rocks.
不完全是这样。但后来，人们利用石头，研制了一种印刷方法。