Batchmate
同年级同学（或同窗）；同批同学（或同窗）
🗣️ 情景例句
I remember your parents' first house very well.
我还清楚记得你父母的第一栋房子。
When one is about to act, one must reason first.
凡事要先思而后行。
Yes, please. This is Bill here. Is that Mrs Read?
是的，劳驾了。我是比尔。你是里德夫人吗？