Packaging density
[计] 组装密度
🧩 词语组成解析
packaging
['pækidʒiŋ]
n. 包装;包装材料;包装风格;打包;
v. 包装(package的ing形式);
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
Why are you so happy?
你为什么这样快乐？
There are some boats on the river.
河上有几艘船。