Packing washer
[计] 密封垫圈
🧩 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;
washer
[['wɔʃə]]
n. 洗衣人, 垫圈, 洗衣机\\n[化] 洗涤器; 垫圈
🗣️ 情景例句
It's the biggest company in the country.
它是全国最大的。
How often did I tell you not to slam the door?
我告诉你多少次不要砰然关门?
The degree of secrecy naturally varies considerably.
保密程度自然差别很大。