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
Right now, we should clean up this room.
现在， 我们应当清理一下房间。
Boys will be boys.
孩子终归是孩子。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。