相关单词近義詞 slippery 滑的, fleeting 短暫的, momentary 短暫的, extemporaneous 即興的, temporary 暫時的, transitory 暫時的, transient 短暫的, passing 通過, evanescent 迅速消失的, ephemeral 短暫的反義詞permanent, 永久的臨近詞imp, impone相似詞imperialist, imperil, imperious, imperishable, impermeable, impermissible, impersonal, impersonate, 返回 impermanent