三三两两的人仍旧在阳台、林荫道和路边的咖啡馆里坐着。

Small groups of people still sat along the terraces and boulevards and in the cafés.

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他的粉丝三三两两的到来，形成了一个生机勃勃的年轻专业人士群体，包括律师、网站设计师和记者。

His fans began showing up in twos and threes, a lively crowd of mostly young professionals, including lawyers, Web designers, and journalists.

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三三两两的年轻人在大街上游来荡去，很多居民是退役军官，很有钱，还有很多靠在海湾工作的亲友资助度日。

Clusters of young men lollop around the streets idly. Many residents are wealthy retired military folk and those sustained by funds from relatives at work in the Gulf.

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That is, in real life, the variables that you'd normally control aren't some combination of entropy and these variables, but really their temperature, volume and pressure, any couple of those, might be what you'd really have under experimental control.

在生活中，我们所能控制的,不是熵和其他变量的组合，而是温度，体积，压强，以及其中的两两组合,这些才是试验中所能控制的。

麻省理工公开课 - 热力学与动力学课程节选

But the law of composition is not always commutative.

但是两两结合的运算并不总是可交换的

耶鲁公开课 - 基础物理课程节选

Disaccharides, where you have several sugars paired together, are maltose, sucrose, and lactose; and then you can see to the right of the sugars themselves which things are paired in this case.

二糖,即两种单糖结合而成的,包括麦芽糖,蔗糖,以及乳糖,你们可以看到这些二糖本身是由右边的,单糖两两相结合而得到

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