Used oil
[化] 废油
🧩 词语组成解析
used
[just]
adj. 用过的;习惯于;二手的;旧的;
v. 使用（ use的过去式和过去分词）;常常，经常;
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Thank you.
谢谢 。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。