Knapsack cipher
[计] 渐缩密码, 背包式密码
🧩 词语组成解析
knapsack
['næpsæk]
n. （士兵或旅行者的）背包;
cipher
['saifə]
n. 密码;零;不重要的人;无价值的东西;
vt. 用密码书写;
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
Steele took charge of all arrangements.
斯蒂尔负责一切准备工作。
who rolled balls down inclined planes,
他就是那个使球体沿斜面向下滚动，