The so-called 'digit ratio' in this study refers to the length of the index finger divided by the length of the ring finger. The lower the ratio, the study suggests, the longer the penis may be.

研究中所提到的“数字比例”实际上就是食指的长度除以无名指长度后得到的数值，研究表明，该数值越低，可能就越长。

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The so-called 'digit ratio' in this study refers to the length of the index finger divided by the length of the ring finger. The lower the ratio, the study suggests, the longer the penis may be.

研究中所提到的“数字比例”实际上就是食指的长度除以无名指长度后得到的数值，研究表明，该数值越低，可能就越长。

youdao