Describe a person who just moved into your community and brought positive changes

1. who

1.1. my biology professor

1.1.1. a crucial figure in my study

2. when and where

2.1. in university

2.1.1. delivers lectures, leads discussions,

2.1.2. and conducts practical studying

3. how feel

3.1. motivations and development

3.2. kind and empathetic

4. changes to my community

4.1. enthusiasm and spirit for me

4.2. connect the social life and become the extrovert