第 50 课: 热，冷-4

It is cold and these people are wearing hats and scarves. 天很冷，这两个人都戴着帽子和围巾

It is hot and these people are sitting in the sun. 天很热，这两个人都在晒太阳

People play in the water when it is hot. 天热的时候，人们去水里玩了

People play in the snow when it is cold. 天冷的时候，人们去雪里玩了

a hot day 热天

a cold day 冷天

cold food 冷食

hot food 热食