機身
Fuselage \Fu"se*lage\, n. (A["e]ronautics) An elongated body or frame of an a["e]roplane or flying machine; sometimes, erroneously, any kind of frame or body. Many a["e]roplanes have no fuselage, properly so called.
fuselage n : the central body of an airplane that is designed to accommodate the crew and passengers (or cargo)