"Keeping everybody up to speed with what we were doing, what we were learning, what the key issues were.

VOA: standard.2010.04.29

But I know today in my math class, we were learning about the guys who created RSA Public Key Cryptography.

但是今天的数学课上，我们在学习RSA公钥加密算法的创始人。

积极参与俱乐部活动 - SpeakingMax英语口语达人