雙向two-way;bidirectional;bilateral
～電路bilateral circuit/～飛碟射擊skeet shooting （體育）/～交流two-way exchange/～交通 two-way traffic /～開關(guān)two-way switch/～貿(mào)易two-way trade/～天線bilateral antenna/～線bidirectional line /～選擇two-way selection (or choice)(refering to employer and employee choosing each other in a job market) |