Immunodeficiencies
(immunodeficiency 的复数) n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
I don't think it's four o'clock yet.
我认为现在还不到四点。
If you want to be thinner and healthier, you have to eat less food--and you also have to take more exercise.
“如果你想瘦些、健康些，你就得少吃一点--你还得多运动。”