Infectivity
n. 传染性, 易传染\\n[医] 传染性, 传染力
🗣️ 情景例句
Come on, you can make it.
振作起来，你一定行。
How many are there in your family?
在你的家庭有多少人？
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。