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
You know, the goods were inspected by the Commodities Inspection Office before shipment.
你知道,这批货物在装船前是经过商品检验局检验的。
A cock is valiant on his own dunghill.
夜郎自大。
then at the height of his military success in the Thirty Years' War,had dictated her measurements and armament.