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
I frankly don't know what to do about it.
我真不知道该怎么解决。
Sometimes I miss home cooking.
我有时想念家乡菜。
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。