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
I remember when I was pregnant with Richard.
我记得当我怀着Richard时，
Let's go dancing.
我们跳舞去吧。
I suggest you go up to our next higher price level.
我建议您采用我们价格再高一级的货