養子 angolul

adoptee [adoptees]▼(adopted son or daughter)
noun
[UK: ə.ˌdɑːp.ˈtiː] [US: ə.ˌdɑːp.ˈtiː]

foster child▼(child in foster care)
noun

son [sons]▼(an adopted son)
noun
[UK: sʌn] [US: ˈsən]