她有一双引人注目的蓝眼睛，但她的笑容是她最令人难忘的特征。

She has striking blue eyes, but her smile is her most memorable ___feature.

这对双胞胎有着同样精致的五官，让人难以区分。

The twins share the same delicate ___features, making them hard to tell apart.

熟练的肖像画家只需几笔就能捕捉到一个人独特的面部特征。

A skilled portrait artist can capture a person's unique ___features with just a few brushstrokes.