短语词组短语Undesired Tannins 劣质单宁undesired target 非所需目标undesired sound 噪声;噪音undesired plant 讨厌的植物undesired arming 自发解除保险undesired signl 干扰旌旗灯号undesired signing 无用信号undesired frequency 寄生频率undesired braking 自然制动 返回 undesired