15的英文是fifteen
fifteen
音標：英[?f?f?ti?n] 美[?f?f?ti?n]
n.十五;十五個人組成的橄欖球隊;
num.十五;
短語搭配：
fifteen minutes 15分鐘
fifteen hours?15小時
fifteen days 15天
例句：
Most people are familiar with bungee jumping, but do you know bungee jumping started on Pentecost Island in Vanuatu and is almost fifteen centuries old?
大多數人對蹦極都很熟悉，但是妳知道嗎？蹦極起源於瓦努阿圖的 Pentecost 島，已經有1500年的歷史了。
The talks began some fifteen minutes late.
商談遲了約十五分鐘才開始。
When he was fifteen, however, he decided to do something about his problems.
然而，當他15歲時，他決定做些事情來解決他的問題。