Immunodeficiencies
(immunodeficiency 的复数) n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
What are you up to?
你呢？你怎样？
Have you been listening?
你有没有在听啊？
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林涛。很好，谢谢。你好吗？