十二的英语twelve；
twelvenum.十二；例如He retired twelve batters in a row.
The clock on the wall showed one minute to twelve
墙上的钟指向11点59分。
We waited till twelve and we finally got on the plane
我们一直等到12点才终于上了飞机。
Some firms expect the guards to work twelve hours a day.
有些公司要求保安每天工作12小时。
