equivalence

n. 相等，等值

equate, equation, equator, equatorial, equerry, equestrian, equi-, equidistant, equilateral, equilibrium, equine, equinoctial, equinox, equip, equip with, equipment, equipoise, equitable, equitably, equity, equivalent, equivocal, equivocate, equivocation, ER, era, eradicate, eradication, eradicator, erasability, erase, eraser, erasure, ere, erect, erectile, erection, erectness, erector, erg,