四个角 4 - 第 8 单元 B 课

to feel upset and nervous because we think about bad things that might happen to us or our problems

担心

a comforting action or statement made to someone to ease their worries, uncertainties, or anxieties about something

安慰

of, connected with, or affecting all the people in a society

公共的

the way something is shown or displayed, including how it looks and is arranged visually or in a particular format

展示

feeling nervous or worried because of thinking something unpleasant might happen

焦虑的

to find a solution to a problem, often through analysis, experimentation, or mathematical calculation

解决