漢英對照/膝蓋是骨關節炎最脆弱的關節之一

膝蓋是骨關節炎最脆弱的關節之一。 持續施加壓力後，膝蓋的軟骨可能開始分解，導致膝蓋的骨骼相互摩擦，從而導致骨關節炎。 到70歲時，將近三分之一的美國公民患有膝蓋骨關節炎。

The knee is one of the most vulnerable joints for osteoarthritis. After continuous pressure is applied, the cartilage of the knee may begin to decompose, causing the bones of the knee to rub against each other, leading to osteoarthritis. By the age of 70, nearly one-third of American citizens have knee osteoarthritis.