Coal hydrogention
[机] 煤的氢化
🧩 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
What happened?
怎么了？
The fox may grow grey, but never good.
狐狸活到老，永远难变好。
I'm supposed to go on a diet.
我应该节食。