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
She called to say the plane was delayed.
她打电话回来， 告诉我们飞机误点。
This lady is a rent collector.
这位女士是收租人。
On one hand, I was anxious to leave.
一方面，我急于离开山洞。