tenacityn.
英 tɪ'næsɪtɪ | 美 tə'næsɪti
中文n. 韧性；固执；不屈不挠；黏性
词根词源
tenacity (n.)early 15c., from Middle French ténacité (14c.) and directly from Latin tenacitas "an act of holding fast," from tenax (genitive tenacis) "holding fast, gripping, clingy; firm, steadfast," from tenere "to hold" (see tenet).
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