柯林斯詞典debouch /d??ba?t?/ 1. V (esp of troops) to move into a more open space, as from a narrow or concealed place (尤指軍隊(duì))進(jìn)入開闊地區(qū)2. N an outlet or passage, as for the exit of troops 通道 (Also called débouché)[fortifications] 返回 debouch