The talks began some fifteen minutes late.

　　商談遲了約十五分鐘才開始。

　　We paid off our mortgage after fifteen years.

　　我們歷經(jīng)十五年的時間還清了抵押借款。

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

　　鮑勃獨(dú)自在他的游艇上待了十五個月。在這段時間，安一個人照顧孩子。

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

　　公司在最興隆時期每隔十五分鐘就開出一列火車。

　　Three fives are fifteen.

　　三個五等于十五。

　　We landed on a grass airstrip, fifteen minutes after leaving Mahe.

　　離開馬赫島十五分鐘后，我們在一塊草地臨時飛機(jī)跑道上降落了。