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
You'll learn a lot.
会增长不少见识。
Charity begins at home, but should not end there.
仁爱须由近及远。
It's nine forty.
九点四十了。