Verification tree
[計] 驗證樹
?? 詞語組成解析
verification
[,verifi'kei??n]
n. 證明;證實;<哲>（指通過經驗）證明（某命題正確）;核實;
tree
[tri]
n. 樹;木料;樹狀圖;宗譜;
vt. 把…趕上樹;使處于困境;把鞋型插入（鞋內）;
??? 情景例句
Well, one more and I've got a pair of boots.
嗯， 再釣一只我就有一雙靴子了。
Which one is cheaper?
哪一個是較便宜的？
Tommy had already swallowed them!
湯米已經把硬幣咽了下去！