Circulating oil system
[化] 循环润滑系统
🧩 词语组成解析
a. 循环的, 流通的\\n[经] 流动
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
What line of work are you in?
你做哪一行的？
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
Whatever the source of noise, one thing is certain: silence, it seems, has become a golden memory.
看来寂静已变成一种珍贵的回忆。