Bituminous coal
生煤
🧩 词语组成解析
bituminous
[[bi'tju:minəs]]
a. 含沥青的\\n[医] 沥青的
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
🗣️ 情景例句
This is fun. It's a piece of cake.
有意思 毫不费力。
Yes, I have your eraser, too.
是的，我还拿了你的橡皮。
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。