Coal gangue
[化] 煤矸石
🧩 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;
n. 脉石\\n[化] 脉石; 矸石
🗣️ 情景例句
You got it.
答对了。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Before he retired, Frank was the head of a very large business company, but as a boy he used to work in a small shop.
在退休前，弗兰克是一家非常大的商业公司的经理，但他小时候却在一家小铺里做工。