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
running for the school board.
竞选联合校董会董事。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？