https://online2.tingclass.net/lesson/shi0529/0008/8532/p47.mp3
https://image.tingclass.net/statics/js/2012
He is immune to chickenpox, he had it as a child.
他對(duì)水痘免疫,他小時(shí)候就得過了。
immune表示免疫的,immune system就是指身體的免疫系統(tǒng);而對(duì)...有免疫力就用be immune to...這個(gè)詞組。