In these cases, fixed dose combination tablets are required (two - or three-in-one pills).

在这些情况下，需要固定剂量的联合片剂(二合一或三合一丸剂)。

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One American was killed and three were wounded in terrorist attacks.

在几起恐怖袭击中，1名美国人被杀且有3人受伤。

《柯林斯英汉双解大词典》

One in every three marriages ends in divorce.

三分之一的婚姻都以离婚而告终。

《牛津词典》

She says people would not even notice a difference in taste with three grams, or one-half teaspoon, less salt per day.

VOA: special.2010.01.27

Listen to how quickly Yeats modulates from one feeling, one image, to another in these really very short, quick, three-beat lines.

听一听叶芝是怎么快速地,从一种情绪，一个情景中，转换到另一个里去的,就在这些三音韵的短诗句中。

耶鲁公开课 - 现代诗歌课程节选

There are only three people left in Britain who fought in World War One, only three, and they're about 110-years-old or something like that.

在英国,一战老兵,只剩下三个了,就三个,他们得有,大概110岁

耶鲁公开课 - 1871年后的法国课程节选

The result is a three-in-one piece that's as appropriate for a warm fall morning as for a chilly winter night.

WSJ: 'Transformer' Men's Outerwear: Action Figures

"He is a rare three-in-one person an activist, scholar and journalist, " says Anwar Fazal, a senior regional adviser to the UNDP.

CNN: The Best Activist

Unless the weather is just too good to miss, head back to Piazza del Duomo for the three-in-one Museale di Santa Maria della Scala, which is, even at a jog, a two hour indoor commitment.

BBC: Two days in Siena, Italy