Chinley coal
[建] 高級(jí)煙煤
?? 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;
??? 情景例句
I know.
我知道。
To answer the first part of your question, I'd like to say that our studies were very extensive.
你問題的第一部分，我要說的就是我們的研究非常廣泛。
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此，我們不時(shí)地掉過頭，懷疑車后是否留下了機(jī)油和汽油的痕跡。