Carburetted hydrogen
[建] 矿坑气
🧩 词语组成解析
v. 使与碳化合, 增碳( carburet的过去式和过去分词 )
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
The mailbox is over there.
邮筒就在那儿。
How old are you?
你多大啦？