Certificating
vt. 发给证明书（certificate的现在分词形式）
🗣️ 情景例句
from the various generations of future users.
从不同辈份的未来使用者中。
I'm sorry,but both of them are busy right now.
很抱歉他们现在很忙。
but also in English, German and Dutch.
而且也印成英语、德语、荷兰语。