Washed coal
[化] 洗煤
🧩 词语组成解析
a. 洗过的
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
It was my pleasure.
这是我的荣幸。
Each bird likes to hear himself sing.
每一只鸟都爱听自己歌唱。
It was a pleasure. Bye!
不客气。再见！