noun🔗Share勇气，魄力 A quality of endurance and courage."The young athlete showed great mettle during the marathon, enduring the pain and fatigue. "这位年轻的运动员在马拉松比赛中表现出了极大的勇气和毅力，忍受了痛苦和疲劳。characterqualitymindattitudemoralbeingabilityChat with AIVocabulary GamePractice Reading
noun🔗Share气概，魄力。 Good temperament and character."Her mettle was evident during the difficult presentation; she handled the criticism calmly and professionally. "在艰难的报告展示中，她的气概显露无疑；她冷静而专业地处理了所有的批评意见。charactermoralattitudequalityChat with AIVocabulary GamePractice Reading
noun🔗Share金属，合金。 Metal; a metallic substance."The jeweler tested the mettle of the bracelet to see if it was truly gold. "珠宝商测试了手镯的金属成分，以确定它是否是真金。materialsubstanceChat with AIVocabulary GamePractice Reading
