Powdered coal
[化] 粉煤; 煤粉; 煤末
🧩 词语组成解析
a. 弄成粉末的, 粉状的\\n[医] 粉状的
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
He made good in business.
他事业成功。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。