Linchpin
01
دبوس, محور
pin inserted through an axletree to hold a wheel on
02
حجر الزاوية, العنصر الرئيسي
a crucial element that holds something together or provides stability and support
أمثلة
The bridge 's central pillar served as the linchpin of the entire structure, supporting its weight and ensuring its stability.
عمل العمود المركزي للجسر كـمحور الهيكل بأكمله، حيث دعم وزنه وضمن استقراره.
