Packing density
[计] 组装密度
🧩 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
May I pay in cash?
可以付现金吗？
Whom will you play with?
你将和谁一起玩？
Did you pay by check or cash?
你用支票还是现金？