Verification and validation
[计] 检验和确认
🧩 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;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
n. 批准, 确认\\n[计] 证实, 检验
🗣️ 情景例句
I know you must be excited to go home after such a long business trip.
出差这么久，终于要回家了，我想你一定很高兴。
I can't seem to get to sleep.
我好象睡不着。
Help yourself.
别客气。