柯林斯詞典undercarriage /??nd??k?r?d?/ (undercarriages) 1. N-COUNT The undercarriage of an aeroplane is the part, including the wheels, which supports the airplane when it is on the ground and when it is landing or taking off. (飛機的)起落架[英國英語] 返回 undercarriage劍橋詞典the set of wheels and other parts that support a plane when it is on the ground and make it possible to take off and land （飛機的）起落架 返回 undercarriage