amphichdiralbiaxialbidirectional (both-way)bilateralbipartitebipolardoubleactingduo directionalduplexovonictwo waytwo-way双向: two-way的: 4次方是 The fourth power of 2 i ...双向的,对向的: bilateral半双向的: half duplex; hdx全双向的: full duplex下载手机词典可随时随地查词查翻译