Metabituminous coal
[化] 中烟煤
🧩 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
She just said it's too easy.
她仅仅说它太容易了。
Where were you yesterday afternoon?
你昨天下午在哪儿？
There comes a bus.
汽车来了。