"Physical characteristics" or "physiognomy" is the study of a person's external features, such as the face, and how they relate to personapty or behavior.
For example:
"He had a strong jawpne and sharp features, which gave him a determined look."
"She had a petite frame and depcate features, which made her appear fragile."
"He had a round face and friendly eyes, which made him appear approachable."
In Engpsh, we often use adjectives to describe a person's physical characteristics, such as "tall," "short," "thin," "heavy," "attractive," "unattractive," etc.
来源：外貌特征，也叫生理形态学，是研究一个人的外部特征（如脸部）以及它们如何与性格或行为相关的学科。
在英语中，我们经常使用形容词来描述一个人的外貌特征，如“高”，“矮”，“瘦”，“重”，“有吸引力”，“无吸引力”等。