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
Rome wasn't build in a day.
伟业非一日建成。
Take one's courage in both hands.
勇往直前，敢作敢为。
What horrible weather!
这鬼天气！