Batchmate
同年级同学（或同窗）；同批同学（或同窗）
🗣️ 情景例句
I sure do....
我当然记得……
That reminds me.
那提醒了我。
He sends me interesting postcards from the ports where the ship stops.
他还从船停泊的海港给我寄来了明信片。