Proofness
[计] 验证, 证明
🗣️ 情景例句
We'll place a trial order with you for 300 cases of pork luncheon meat.
我们想试定300箱罐装午餐肉。
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
They have been told that rescue operations are progressing smoothly.
他们一直被告知营救工作进行得非常顺利。