Central(ized) oiling
[化] 集中润滑
🧩 词语组成解析
[化] 加脂
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
Overdone is worse than undone.
过犹不及。
He doesn't care about me.
他并不在乎我。