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
Not too bad. How about yourself?
还可以。你怎么样？
Thank you for a very enjoyable evening.
谢谢你，今晚过得真愉快。
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”