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everydaymysteries

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everydaymysteries

everydaymysteries

2

Because gas does not have to build up like it does in the knuckles , this noise can often be made repeatedly .

它不需要像指关节一样恢复其中的气体，所以这种声音可以重复出现。来源：everydaymysteries

3

The reason this mostly occurs on the fingers and toes is because the epidermis in those areas has calluses which take in more water .

这种现象常见于手指尖和脚趾尖，因为这些部位的老茧更容易吸水。来源：everydaymysteries

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