单词	flap down
释义	flap down [flæp daun] 垂下
随便看	orbita orbit acquisition and track rendezous orbit adjustment orbitae orbital orbital abscess orbital acceleration orbital acquisition orbital altitude orbital aneurysm orbital angiography orbital angular momentum orbital angular momentum quantum number orbital angular momentum vector orbital antenna farm orbital aperture orbital apex orbital apex syndrome orbital arc welding orbital arteriography orbital artery orbital assembly orbital astronomical observatory orbital astronomical observatory (oao) orbital attitude and maneuver system 斝4 斞斟斟2 斟3 斟4 斠斠1 斠然一概斠若画一井鱼亘亘古亙亚亚丁亚乒赛亚乔木亚于… 亚伦