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
Tell me about your educational background.
告诉我你的学习背景。
After dinner, they adjourned to the study to talk.
晚饭后，他们到书房谈话去了。
Certainly!
当然可以！