rustiness
/ˈrʌstinəs/the condition of being coated or clogged with rust.
noun [具体名词] 生锈；声音嘶哑
His rustiness had become a charming attraction to the public. 他那沙哑的讲话声，也成了公众迷醉于他的一个重要因素。
His rustiness had become a charming attraction to the public. 他那沙哑的讲话声，也成了公众迷醉于他的一个重要因素。