two-way
/ˈtuːˈweɪ/adjective
1- allowing or involving movement or communication in opposite directions（动作, 通讯）双向的; 双行的; 两用的：
a two-way radio
双向无线电（收发两用）
make the interview a two-way process.
让访谈成为双向交流。
1.1
- (of a switch) permitting a current to be switched on or off from either of two points（开关）双路的。
短语
two-way street
- a situation or relationship involving mutual or reciprocal action or obligation互谅互让的情况（或关系）：
trust is a two-way street.
信任是相互的。