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
It was destined to happen.
这是命中注定。
Where have you been all this time?
这段时间你跑到哪里去了？
There is a chair below the window.
窗户下面有一把椅子。