Coal origin
[建] 煤的来源
🧩 词语组成解析
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
That's a good idea.
好主意。
I'm old enough to make up my own mind.
我是够年纪做自己的决定了。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。