Immunodeficiencies
(immunodeficiency 的复数) n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Choose an author as you choose a friend.
选书如择友。
You are walking too fast. I can't keep up with you.
你走得太快，我跟不上。