Coal constitution
[建] 煤之组成
🧩 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
I know. How old is she?
我知道。她多大了？
I'm glad to hear about your graduation.
我很高兴听到你毕业的消息。
Good morning. Sit down, please.
早上好，请坐。