Residual oil
[化] 渣油
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Bye.
再见。
Christmas comes but once a year.
佳节良辰，机会难得。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。