相關(guān)單詞近義詞 single 單一的, complex 復(fù)雜的, complicated 復(fù)雜難懂的, involved 涉及的, intricate 復(fù)雜的, difficult 困難的反義詞reducible, 可縮小的臨近詞IR, Irimi 返回 irreducibly