相关单词同义词constant, permanent, steady, unchanging, 近义词 unvarying 经久不变的, constant 不变的, changeless 不变的临近词invasion, invariable, invariants, invariantive, invariant TQ, invariant set, invariant mean, invariant mass, invariant time, invariant code, invariant test, Invariant line相似词invalidity, invaluable, invariable, invariably, invasion, invasive, invective, inveigh against sb/sth, 返回 invariant