Packing nut
填密螺母; 衬垫螺母; 密封螺母; 紧塞螺母
🧩 词语组成解析
packing
['pækiŋ]
n. 包装，打包;包装材料;（缝隙）填料;
v. 压紧(pack的ing形式);装满;
nut
[nʌt]
n. 螺母，螺帽;坚果，坚果果仁;难对付的人;[乐]弓根;
v. 采坚果;拾坚果;
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Never trust of fine words.
切勿轻信漂亮的言词。
A woman saw it happen when she was walking past.
一位妇女走过的时候，看到我的钢笔掉了。