If immunity achieved as a result of being vaccinated starts to ___, a booster shot, a third dose of a vaccine, is recommended.
Awane正確答案
Bmultiply
Cduplicate
Dpermeate
答案與詳解
為什麼答案是 A
wane 意為「減弱、衰退」，常用於月亮虧缺或力量、影響力下降。疫苗效力隨時間 wane，故需 booster shot 補強，語境完全吻合。
考點：衰退/減弱考點：增加/繁殖考點：複製考點：滲透
載入中…
