十五的英文：
fifteen

A hectare is equal to 15 mu
一公顷合十五市亩。

The 15th of the first month in the lunar calendar is the Lantern Festival.
阴历正月十五是元宵佳节。

When she folded up his tripod at eight thirty five, she felt good.
八点十五分时她收起三脚架,自我感觉良好。

The teaching staff numbers twenty two,fifteen women and seven men.
教师有二十二人，十五位女教师，七位男教师。

He was born in Atlanta, Georgia, on January 15, 1929.
他于一九二九年一月十五日出生在乔治亚州的亚特兰大市。

I have a bone to pick with you. You still owe me the fifteen dollars you borrowed.
我有账跟你算。你向我借的十五美金还没还呢。

All this was known thirty-five years ago; the great advances since then have come in the observational domain
所有这些，在三十五年前就已经知道了，以后的重大进展则是在观测方面。

Milly was fifteen, fat and jolly and pompadoured, with a creamy complexion, square white teeth, and a short upper lip.
梅莉十五岁了，她有着胖胖的，白皙的脸庞，薄薄的嘴唇，两排雪白整齐的牙齿，前发梳得高高的，活泼可爱。

Milly was fifteen, fat and jolly and pompadoured, with a creamy complexion, square white teeth, and a short upper lip
梅莉十五岁了，她有着胖胖的，白皙的脸庞，薄薄的嘴唇，两排雪白整齐的牙齿，前发梳得高高的，活泼可爱。

15is divisible by3.
十五能被三除尽。

Fifteen minutes is plenty.
15分钟就足够了。

Five times three is fifteen.
五乘以三是十五。

All fifteen are dead?
十五个全都死了？

The interview overran by fifteen minutes.
那次采访超过规定时间十五分钟。