Batchmate
同年級同學（或同窗）；同批同學（或同窗）
??? 情景例句
We can get a loan from the bank
我們能夠從銀行得到貸款。
Too swift arrives as tardy as too slow.
欲速則不達。
I spent the whole day in my room, but I did not write a single card!
我在房間里關了整整一天。然而竟連一張明信片也沒寫成！