相关单词近义词 shakiness 震动, unsteadiness 不稳定性, uncertainty 不确定, insecurity 不安全, instability 不稳定临近词rockair, rock, rock classification, rock mess stability, rock boring machine, rock-encased pile, rockwall crane beam, Rock steady failure, rock mass mechanics, rock storing of oil, rock body mechanics, Rockburst proneness 返回 rockiness