After twelve days at sea, they sighted land.
在海上航行十二天后他們看到了陸地。
The President arrived, escorted by twelve soldiers.
總統在十二名衛兵的護送下到達。
Twelve inmates have been killed during a riot at the prison.
十二名囚犯在該監獄里的一次暴亂中喪生。
The inventory will be disposed of over the next twelve weeks.
在未來的十二個星期中將進行清倉處理。
Twelve minus seven leaves five.
十二減去七剩五。