柯林斯词典debouch /dɪˈbaʊtʃ/ 1. V (esp of troops) to move into a more open space, as from a narrow or concealed place (尤指軍隊)進入開濶地區2. N an outlet or passage, as for the exit of troops 通道 (Also called débouché)[fortifications] 返回 debouch