Daily Vocabulary(2024/09/22）

32946.semicircle(半円）half a circle 
OK, class. Sit in a  semicircle, please.
32947.semiweekly(週 2 回の）

Does the badminton club meet weekly or semiweekly?

32948.semi-retired(非常勤で働くこと ）someone who is semi-retired continues to work, but not for as many hours as they used to, especially because they are getting older and want time to do other things 

I don’t work every day anymore. I'm semi-retired now.

32949.infectious(伝染性の,うつりやすい）n infectious illness can be passed from one person to another, especially through the air you breathe 
Highly infectious diseases can easily become pandemic
32950.vaccine(ワクチン）a substance which contains a weak form of the bacteria or virus that causes a disease and is used to protect people from that disease 

Vaccine are helpful in fighting pandemics.