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
Well begun, half done.
良好的开始，就是成功了一半。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
Towards midday, a girl heard a muffed cry coming from behind on of the walls.
快到中午的时候，一个女售货员听见从一堵墙里传出一种闷声闷气的叫声。