知识贝壳
知识贝壳
所属栏目：英语习语
a weak point or fault in someone or something otherwise perfect or excellent. (From the Greek hero Achilles, who had only one vulnerable part of his body, his heel, by which his mother held him to dip him in the River Styx to make him invulnerable. See al ......（本文共 336 字 ） [阅读本文]>>