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
Of course. It's on the fifth floor of Building No.4. Let's go there.
当然可以。展室在四号楼五层，我们上去吧。
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”