15的单词怎么写

The talks began some fifteen minutes late.

商谈迟了约十五分钟才开始。

We paid off our mortgage after fifteen years.

我们历经十五年的`时间还清了抵押借款。

Bob spent fifteen months alone on his yacht. Ann, meanwhile, took care of the children on her own.

鲍勃独自在他的游艇上待了十五个月。在这段时间，安一个人照顾孩子。

In its heyday , the company ran trains every fifteen minutes.

公司在最兴隆时期每隔十五分钟就开出一列火车。