illon Basic wordsalso onSocial Sciences (Soc Sci)? CEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Advanced (C1)? Band 2 (BND2)? Band 3 (BND3)? 伤害,困难,弊端,问题, 不好的,恶意的,有病的 ill ill(noun) 伤害,困难,弊端,问题 illnesses illnesses(noun) 疾病(illnesse的名词复数),病 ills ills(noun) 不幸(ill的名词复数),疾病 ill ill(adjective) 不好的,恶意的,有病的 illness illness(noun) 疾病,病 mental illness mental illness(noun) 精神疾病 Forms nounadjective ill ill illnesses ills illness mental illness