rarityn.稀有;珍品;稀薄
rareadj.罕见的;珍贵的;煎得嫩的
rarely enough远不够,不足以
rarely if ever几乎从来不,极少
rarely used words生僻的字眼
Rarely did I meet Mr.Eldon.我很少遇上埃尔登先生。
rarely-used Chinese characters生僻字