Her cankles made her legs look like one continuous shape when she wore ankle socks.

cankles 是一个复合词，由 calf（小腿）和 ankle（脚踝）组合而成，指"小腿和脚踝无明显分界"的情况，即"小腿和脚踝连成一片"的体型特征。这个词带有轻微幽默色彩，常用于描述腿部线条不够分明的情况。