"6:39"用英语可以表示为 "six thirty-nine"。来源是来自于英语中数字和时间表示方式。
例句:
I need to be at the meeting at six thirty-nine. (我需要在6:39到会议上)
The train leaves at six thirty-nine in the morning. (火车在早上6:39离开)
I'll meet you at six thirty-nine at the train station. (我会在6:39在火车站和你会面)