Batchmate
同年级同学（或同窗）；同批同学（或同窗）
🗣️ 情景例句
Will he be OK, Dad?
他会没事吗， 爸爸？
When sorrows come, they come not single spies, but in battalions.
祸不单行。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。