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
It's nice to meet you.
很高兴见到你 。
It's a small world.
这世界真小。
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。