a tumbler of milk

• 一杯牛奶

a tumbler of milk的用法和样例：

例句

1. He has drunk one glass of milk this morning.
   今天早晨他喝了一杯牛奶。
2. The recipe says we need two eggs and a cup of milk.
   食谱上写着我们需要两颗蛋和一杯牛奶。