Certificating
vt. 发给证明书（certificate的现在分词形式）
🗣️ 情景例句
I'll see you then.
到时候见啦。
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
Now the manager has found that things are missing.
现在，经理已发现有东西丢失。