firm and tenacious英语标准发音:firm and tenacious英式发音:美式发音:翻译中文坚韧不拔firm and tenacious - 基本释义[词典1]坚韧firm and tenacious - WEB词典firm and tenacious坚韧be firm and tenacious坚固而柔韧 参考资料: 1.百度翻译:firm and tenacious2.有道词典:firm and tenacious3.爱词霸:firm and tenacious