相关单词近义词 impractical 不切实际的, impracticable 不切实际的, unworkable 难运转的, out of the question 不可能, impossible 不可能的, unrealistic 不切实际的, unattainable 难到达的, infeasible 不可实行的临近词UN, uncia相似词unfasten, unfathomable, unfavourable, unfazed, unfeeling, unfettered, unfilled, unfiltered, 返回 unfeasible