Across the Potomac river is the pentagon a strange lowfive-sides building.
跨过波托马克河就是五角大楼——一座奇特而又低矮的五边形建筑。
2
Five years ago we discontinued train service between Lamberton and its suburbs because low ridership caused total fares collected to be substantially lower than the cost of operating the service.
五年前，我们停止了兰伯顿与其郊区之间的火车服务，因为客流量低，所以收取的总费用远远低于运营成本。
3
Supplies began running low and early this week, five set off on foot across snow fields; on Friday, after four days of trudging, they reached a working military radio center.