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
I bet you can make it.
我敢打赌你一定能做到。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
He doesn't like writing letters, but he likes receiving them.
他不爱写信，但他却喜欢收到信。