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
I know who you are!
我知道你是谁！
Let's move on to what makes our product sell so well.
让我来说明是什么原因使我们的产品销售得那么好。
Oh,there's someone at the door.
噢，门口有人！