Yīshēng jiǎnchá le bìngrén de tǐbiǎo shìfǒu yǒu shāngkǒu.
The doctor examined the patient's body surface for wounds.
Tips
usage
体表 is mostly medical/anatomical — 'the surface of the body'. You'll see it in clinical contexts (体表温度 'surface temperature', 体表面积 'body surface area'). The literary sense 'a person's bearing' is rare in modern usage.