"喝完的奶茶" 的英文翻译是 "drunken milk tea"。

这个短语的来源是指在喝了一杯奶茶之后,这杯奶茶已经被喝完,不再有剩余。

下面是一些英文例句及其中文翻译:

"I just finished drinking my milk tea. It was depcious." (我刚刚喝完我的奶茶。很好喝。)
"Can you please bring me a new cup of milk tea? I finished the one I was drinking." (能请你帮我再来一杯奶茶吗?我喝完了我正在喝的那杯。)
"I always finish my milk tea before it gets cold." (我总是在奶茶冷却前就把它喝完。)

注意,这个短语并不常用,所以如果你想表达喝完一杯奶茶的意思,可以使用更常见的表达方式,例如 "I finished a cup of milk tea" 或者 "I drank a cup of milk tea."