| 例句 |
sustentationsnounpl. of sustentation the careful maintaining and protection of something valuable especially in its natural or original statethe all-important sustentation of Mount Vernon, Monticello, and other national treasures conservancies, conservations, preservations care, maintenances, upkeepssalvations, savingsdefenses, guardianships, protectionseconomies, husbandries, managements derelictions, neglects, wastesdestructions, ruinsdamages, harms, hurts, injuries |