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
How many are there in your family?
你们家几口人？
May I have your name?
请问你姓名？
Hi,Carl. Have you ordered yet?
嗨，卡尔，你点菜了吗？