Daily Vocabulary(2023/12/17）

31551.analysis (分析、解析） a careful examination of something in order to understand it better 
AI tools can perform complex analyses in seconds. 
31552.icy (氷に覆われて、ひどく冷えて、冷淡な）extremely cold 類義語 frosty /covered in ice / an icy remark, look etc shows that you feel annoyed with or unfriendly towards someone 

The road is icy today, Drive carefully, OK?. 

31553.frost bite(凍傷、霜焼）a condition caused by extreme cold, that makes your fingers and toes swell, become darker, and sometimes fall off

I almost got frost bite put there in the icy temperatures. 

31554.vice versa (逆に、逆もまた然り ）used to say that the opposite of a situation you have just described is also true
She thinks he's wrong and vice versa.

31555.back and forth（行ったり来たりして、前後に）going in one direction and then in the opposite direction, and repeating this several times 

Mary rocked back and forth in the chair, putting her baby to sleep.