they are younger than 18 years of age 1、小高裕殖于18岁、they have turned 18 years of age and continue to be wholly or substantially reliant on you for their basic needs (food, clothing and shelter) 2、已满18岁、但经济依赖父震辨母they have a mental or physical disability that stops them from earning a living to support themselves (whether or not they migrate with the applicant). The child can be of any age. The child will still need to meet Australia’s health requirement. 3、精神或笼评者身体残疾