介绍:
In our life , we need to thank those people who help us , such as our parents , teachers and friends .
life 生活，生命
need to do something 需要做某事
Who引导的定语从句，修饰前边的people
such as 例如，比如说
额外奉献
A letter to my parents 给爸爸妈妈的一封信
大家还在听
