/ˌsɝː.kjəˈleɪ.ʃən/
The passing or spreading of sth from one person or place to another 传递；流传；流通
the movement of blood around the body
/ˌsɝː.kjəˈleɪ.ʃən/
The passing or spreading of sth from one person or place to another 传递；流传；流通
the movement of blood around the body