相关单词近義詞 single 單一的, complex 複襍的, complicated 複襍難懂的, involved 涉及的, intricate 複襍的, difficult 睏難的反義詞reducible, 可縮小的臨近詞IR, Irimi相似詞irrecoverable, irredeemable, irredentism, irredentist, irrefutable, irregardless, irregular, irregularity, 返回 irreducible