There is a big heatwaveheatwave/ˈhiːtweɪv/L1热浪是指连续多天非常炎热的天气。A heatwave is a time when the weather is very hot for many days. in the western United States. The weather is very hot and dry, and strong wind blows too. This heat and wind start big fires in Oregon and Washington. The fires burn many trees and a lot of land.
Firefighters work hard to stop the fires, but they are very tired. The land is dry because there is no rain. Many people are scaredscared/skɛrd/L1害怕的，恐惧的。If you are scared, you are afraid of something. for their homes. Leaders are worried, so they say people must not burn things outside. This banban/bæn/L1禁令，禁止做某事的规则。A ban is a rule that says you cannot do something. will help stop new fires and keep everyone safesafe/seɪf/L1安全的，没有危险的。If you are safe, you are not in danger..
