亲密距离的范围从直接物理接触到大约45厘米的距离。

Intimate distance ranges from direct physical contact to a distance of about 45 centimeters.

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它们站在笼顶上，抬起翅膀琢着羽毛，它们的自由和不自由，原来不过是几厘米的距离。

They would stand atop the cage, stretch their wings and comb their feathers with their beaks. Freedom, for them, was just centimetres away from the cage.

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和对方之间的距离约在60厘米，如果再近一些，就不符合社会上约定俗成的“安全距离”。

Stand apart from one another approximately 60cm , any closer, it would injure a 'socially defined distance zone', " he said.

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