Undercarriage
n. 底盘, 起落架
📖 牛津释义
undercarriage
(also `landing-gear) n aircraft's landing wheels and theirsupports （飞行器的）起落架
raise/lower the undercarriage 收起[放下]起落架. =>illus at aircraft 见 aircraft 插图.
🗣️ 情景例句
Columbia's a terrific school.
Columbia，是一所很棒的学校。
Thank you.
谢谢您。
It looks fine to me.
看起来好像没什么问题。