"Point out his legs" 的英语表达方式是 "point to his legs"。其中 "point" 是动词，意思是“指向”， "to" 是介词，表示“向”的意思，"his" 是形容词性物主代词，表示“他的”，"legs"是名词，表示“腿”的意思。
例句：
Can you point to your legs?
(你能指出你的腿吗？)
She pointed to her legs and said they were sore.
(她指着她的腿说它们很疼)
He pointed to his legs and asked if they were straight.
(他指着他的腿问它们是否直着)