infectiously
UK/in'fekʃəsli/US
C2
释义
adv.
In a way that spreads easily to others, especially of emotions
有感染力地；（情绪）容易传开地
词根拆分
词根派生infectious 的副词形式：in-（进入）+ fec（fac/做 词根的弱化）= 被"造进"你体内。多用于比喻——infectiously 欢快的情绪会一个传一个。
词根 fac 还连着 273 个词常用搭配
- 1.laugh infectiously富有感染力地笑
- 2.infectiously happy极具感染力地开心
- 3.infectiously enthusiastic热情得让人受感染
例句
- 1.
She laughed infectiously, and soon the whole room was giggling.
她笑得极有感染力，很快整个房间都跟着咯咯笑起来。