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
to have a family and grandchildren.
拥有一个家庭和孙子们。
Meat is almost more precious than money!
肉贵得买不起了。
Sit down, please.
请坐。