Lubricating piping
[化] 润滑管道; 润滑管路
🧩 词语组成解析
润滑的
piping
['paipiŋ]
n. （某种或某长度的）管道;笛声;（食品上装饰用的）奶油花饰;（衣服、椅罩等的）滚边;
adj. 尖声的;高声的;平静的;平和的;
🗣️ 情景例句
but, unfortunately,
但是， 很不幸，
Let's forgive and forget.
让我们摈弃前嫌。
It has long been known that the hunting scenes depicted on walls were not simply a form of artistic expression.
大家早就知道，画在墙上的狩猎图景并不是单纯的艺术表现形式，