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
Hi, Grandpa.
嗨， 爷爷。
What's the price of that electric iron?
那个电熨斗的价格是多少？
You might try one of our cheaper components.
你试试这种较便宜的组件怎样？