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
What kind of salary did you have in mind?
你期待什么样的工资？
What's your wholesale price on this item?
这种产品你们的批发价是多少呢？
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。