Central(ized) oiling
[化] 集中润滑
🧩 词语组成解析
[化] 加脂
🗣️ 情景例句
Just a moment, I'll ask him.
稍等，我问一下他。
There are three apples on the plate.
盘子上面有三个苹果。
To be really happy and really safe,
一个人要想真正感到幸福和平安