In this sense predictions and explanations are symmetrical and reversible .

在这个意义上，预测和解释是对称的和可逆的。

In fact , even babies respond more positively to attractive , symmetrical faces .

实际上，即使是婴儿也更积极地回应迷人而匀称的脸。

Faces that are more symmetrical and average-looking tend to be rated as more attractive in scientific studies .

更匀称和普通的脸在科学研究里更可能被认为是更迷人的。

Do people seek symmetrical partners ?

人们是否寻觅面部对称的伴侣？

A normal sweat pattern is symmetrical .

正常的流汗是对称的。