Existence proof
[计] 存在性证明
🧩 词语组成解析
proof
[pruf]
n. 证明;校样;检验;（酒的）标准酒精度;
adj. 防…的;抗…的;能抵御;能防范;
vt. 给（织物）做防护处理，使防水（或防火等）;印…的校样;
vi. [印刷术] 校对;发酵;
prob, prov Prob, prov= test, 表示”测试,证明, 检验”
🗣️ 情景例句
Oh, I date occasionally,
哦 ，我偶尔约约会。
How much will you sell me this for?
把这个东西卖给我要多少钱？
It had been baked by a college student who had used over 1,000 pounds of flour, 800 pounds of sugar, 200 pounds of fat, and 400 pounds of various other ingredients.
它是由一个大学生烘制的，用去1，000多磅的面粉、800磅食糖、200磅动物脂肪及400磅其他各种原料。