这架飞机的机身采用了单体结构，减轻了重量并提高了强度。

The aircraft's ___monocoque fuselage reduces weight while increasing strength.

这辆跑车采用了轻量化的一体式碳纤维车身设计，兼具强度和高效性。

The sports car features a lightweight carbon fiber ___monocoque body that combines strength and efficiency.