Coal petrography
[化] 煤岩学
🧩 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. 岩相学
🗣️ 情景例句
It was wet yesterday.
昨天下雨。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有时下得很大。万物生长很快。