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
Always full of surprises,
总是出人意表
By what time should I check in?
我该什么时间办理登机手续呢？
They said that the march had been forbidden, but that wasn't true.
他们说游行向来是被禁止的，但这不是事实。