| 例句 |
ground zeronoun a thing or place that is of greatest importance to an activity or interesta city that was once ground zero for the insurance industry axis, base, capital, center, central, core, cynosure, epicenter, eye, focus, heart, hub, locus, mecca, navel, nerve center, nexus, nucleus, omphalos, seat headquartershappy hunting ground, hive, hotbed, hot spot, playground, playlandkernel, nub, pithdeep, thickessence, quintessence, soulattraction, lodestone(also loadstone), magnet, polestar where it's at in 1946 |