Boundary contraction method
[计] 边界收缩法
🧩 词语组成解析
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
He knows all there is to know,
他无所不知，
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
Three months passed, and then one morning, Sam found his wallet outside his front door.
3个月过去了，后来在一天早晨，萨姆在自己的大门外发现了他的钱包。