Packing fraction
[化] 充填率
🧩 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
Sunday's their big day.
星期天是他们大生意的日子。
To wish to become an artist
希望成为艺术家
It will be cloudy at times.
阴有多云。