相关单词同义词constant, permanent, steady, 近义词 rigid 坚硬的, invariable 不变的, orderly 有秩序的, equable 性情温和的, permanent 永久的, consistent 始终如一的, constant 不变的, abiding 持久的, stable 稳定的, static 静态的, fixed 固定的, unchangeable 不变的, inflexible 不可弯曲的, set 放置, ageless 不老的临近词UN, UNFCCC相似词unchallenged, unchallenging, unchangeable, unchanged, uncharacteristic, uncharitable, uncharted, uncheck, 返回 unchanging