he’s
short form- /hiːz/, /his/, /ɪz//hiːz/, /his/, /ɪz/he is
他是 - /hiːz//hiːz/he has
He's is only used to mean ‘he has’ when has is an auxiliary verb: He's just got here. When has is the main verb, use the full form: He has two children. • He's two children.