Certification program
[计] 验证程序
🧩 词语组成解析
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
🗣️ 情景例句
How do you know so much about fishing?
你对钓鱼怎么知道这么多？
He'll always be indebted to you for what you've done.
他将总是为你做了的对你感恩。
It's a bus.
一辆公共汽车。