“十倍”造句

在过去一百二十年中,人口已膨胀了十倍.
In the past 120 years the population has increased tenfold.

卖黄牛票的把音乐会的票以原价的十倍卖出.
Scalpers sold tickets to the concert for ten times the original price.

北京有我家乡十倍大.
Beijing is ten times as big as my home town.