bi·di·rec·tion·al
adjective/ˌbaɪdəˈrekʃənl/, /ˌbaɪdaɪˈrekʃənl/
/ˌbaɪdəˈrekʃənl/, /ˌbaɪdaɪˈrekʃənl/
(specialist)- functioning in two directions
双向的 - There is a bidirectional relationship between hormones and behaviour.
激素和行为之间存在双向关系。
- There is a bidirectional relationship between hormones and behaviour.