Packed density
[化] 填充密度
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
🗣️ 情景例句
Bye.
再见。
He who laughs at crooked men should need walk very straight.
正人先正己。
I live near an airport and passing planes can be heard night and day.
我住在一个机场附近，过往飞机日夜不绝于耳。