Certificating
vt. 发给证明书（certificate的现在分词形式）
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
Your pronunciation is excellent.
你的发音很好。
Here you can see two workers who, between them, have just finished cutting three cartloads of golden brown macaroni stalks.
这里您可以看到两个工人，他们协力割下了3车金黄色的通心粉秸。