U-packing
[机] U形皮填科
🧩 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;
🗣️ 情景例句
Of course.
当然可以。
I went to see my doctor for a check-up yesterday.
我昨天为检查去看了医生。
How old are you?
你们多大了？