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
Lacks enthusiasm, passive and indifferent.
卸乏热情，不主动且态度冷淡。
Don't tell anyone that I did it.
别说是我做的。
It's already in transit.
已经在运输中了。