Coal petrography
[化] 煤巖學(xué)
?? 詞語組成解析
coal
[kol]
n. 煤;煤塊;煤堆;木炭;
vi. 上煤;加煤;
vt. 給…加煤;把…燒成炭;
n. 巖相學(xué)
??? 情景例句
Have you been waiting for me for a long time?
你已經(jīng)等我很久了嗎？
I'm very well, and you?
我很好，你呢？
We don't want to go there.
我們不想去那兒！