Batchmate
同年级同学（或同窗）；同批同学（或同窗）
🗣️ 情景例句
I don't think I've had the pleasure.
我想我未曾有幸遇见过你。
Those who climb high often have a fall.
爬得高往往跌得重。
Suppose it rains,what shall we do?
万一下雨，我们该怎么办？