tenable
adj.
"capable of being held or maintained," 1570s, from Middle French tenable, from Old French (12c.), from tenir "to hold," from Latin tenere "to hold, keep" (see tenet).
〔蒋〕[ten持，握，守，保有，-able形容词后缀，可…的] 可保持的，可防守的，守得住的
〔蒋〕[ten持，握，守，保有，-able形容词后缀，可…的] 可保持的，可防守的，守得住的