They were given two choices: they could either eat it or, if they waited fifteen minutes, they'd be given a second one (and then they could eat both) .

他们有两个选择：要么吃，要么等15分钟，再吃第二个（然后他们可以同时吃两个）。

youdao

70% ate the first marshmallow within fifteen minutes, but the other 30% showed willpower—they didn't eat the first one and waited for the second marshmallow quietly.

70%的人在15分钟内吃掉了第一个棉花糖，但其余30%的人则表现出意志力——他们没有吃第一个棉花糖，而是静静等待第二个棉花糖。

youdao

First, they visited our classroom on the second floor at two fifteen.

首先他们在两点十五分参观我们的教室。

youdao

But it was not until eighteen fifteen and the Second Barbary War that the power of the Barbary pirates was broken.

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In fifteen-oh-eight, Pope Julius the Second asked Raphael to cover the walls and ceiling of some of the Pope's private living areas.

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In fifteen-oh-eight, Pope Julius the Second asked Michelangelo to paint the ceiling of the Sistine Chapel.

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Interviewed in a television studio, they were taught to distil complex research ideas into fifteen second snapshots for public consumption.

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The other three goals of the match all came in the final fifteen minutes of the second-half.

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In April, 2011, a grand jury indicted Ravi on fifteen counts, including two charges of second-degree bias intimidation.

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