相关单词近义词 slippery 滑的, fleeting 短暂的, momentary 短暂的, extemporaneous 即兴的, temporary 暂时的, transitory 暂时的, transient 短暂的, passing 通过, evanescent 迅速消失的, ephemeral 短暂的反义词permanent, 永久的临近词imp, impone相似词imperialist, imperil, imperious, imperishable, impermeable, impermissible, impersonal, impersonate, 返回 impermanent