Coal measure
[建] 煤系
🧩 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'd be glad to tell you what I think.
很高兴告诉你我的想法。
I was at home all afternoon.
我整个下午在家。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，