Coal degradation
[建] 煤之剥蚀
🧩 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
She's on a diet these days.
这些天她在节食。
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
I think foreign languages are more interesting than science.
我想外语比自然科学更有趣。