Petroacetylene
[化] 石油乙炔
🗣️ 情景例句
Remembering the past was his only ple4asure.
回忆往事是他唯一的乐趣。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
Justice had been done even before the man was handed over to the police.
甚至在那人还没被送交给警察之前，正义就已得到了伸张。