It is very hot and wet today and is called sauna weather.During my mom did the cooking in the kitchen， I saw her head was sweaty.I told her I could help her and she accepted.

After cooking，we were all sweaty .However， mum and I all felt happy. She said I was growing up and became her good assistant.

【参考翻译】

今天天气很热，被称为桑拿天。妈妈做饭的时候我看到她满头大汗，我就说帮助她做饭，她同意了我的请求。

做完饭以后，我们都变得满头大汗，但是我们都很高兴。她说我已经长大，变成她最好的助手了。