Infectivity
n. 传染性, 易传染\\n[医] 传染性, 传染力
🗣️ 情景例句
Speaking of being a mother,
谈到当母亲，
One never loses anything by politeness.
有礼貌对自己不会吃亏。
Can I have some breakfast first
我能先吃点早餐吗？