Packing fractians
[医] 敛集率
🧩 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
Saving them for today?
留着等今天？
Who is going to win?
谁会赢？
The book is protected by copyright.
该书受版权保护。