Coal-mining
adj. 煤矿业的
🧩 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;
mining
['mainiŋ]
n. 采矿（业）;
v. 在…中开采，开采(mine的现在分词);在…中[下]布雷;以地雷[水雷]炸毁;
🗣️ 情景例句
I'll see you all at dinnertime.
吃晚饭时见面了。
Sail while the wind blows; wind and tide wait for no man.
驶船要乘风，风潮不等人。
When several elephants are being trained at one time,
几只象同时训练时，