Existence verification
[计] 存在证实
🧩 词语组成解析
verification
[,verifi'keiʃən]
n. 证明;证实;<哲>（指通过经验）证明（某命题正确）;核实;
🗣️ 情景例句
I'm sure glad you're here, Grandpa.
您来这里我真高兴， 爷爷。
Oh? Where were you?
哦，上哪儿去了？
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。