你好,很开心为您解答illness是ill的名词形式,意思是:疾病,以下是这个词的详细解释,希望对您有用n.疾病;某种具体疾病;不健康复数:illnesses1.N-UNCOUNT疾病;患病(期)Illness is the fact or experience of being ill.If your child shows any signs of illness, take her to the doctor...如果您的孩子出现任何患病症状,带她去看医生。Mental illness is still a taboo subject.精神疾病仍然是禁忌话题。2.N-COUNT(特指某种)疾病An illness is a particular disease such as measles or pneumonia.She returned to her family home to recover from an illness.她回家养病来了。希望对您有用,祝您学习进步,天天开心望采纳谢谢