Immunodeficiencies
(immunodeficiency 的复数) n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
Are you a citizen of the People's Republic of China?
你是中华人民共和国的公民吗？
He has gone to America.
他去了美国。[表示结果持续至今]
but I lacked for nothing, for he was both father and mother to me.
但我却什么都不缺，他既当父亲又当母亲。