Corase coal
[建] 粗煤
🧩 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
Let's lake this one step at a time.
做这事我们要一步一步来。
It's a hard job, but I hope he can make it.
这不是件容易的差事，但我希望他能做到。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。