常見例句The road opened out into a dual carriageway. 這條路已擴展成了複式車行道。His dual role as a composer and a conductor made him very busy. 他作曲家和指揮家的雙重身份使他非常繁忙。At that point, the road opens out and becomes a dual carriageway. 公路在那個地方變寬了,變成了雙車道。The training airplane has dual controls. 教練飛機有兩套控制系統(tǒng)。Dual function design saves money and space. 二郃一設(shè)計可節(jié)省成本及空間。But it too had a dual character. 但是它也有二重性。 返回 Duale