短语词组短語Undesired Tannins 劣質單甯undesired target 非所需目標undesired sound 噪聲;噪音undesired plant 討厭的植物undesired arming 自發解除保險undesired signl 乾擾旌旗燈號undesired signing 無用信號undesired frequency 寄生頻率undesired braking 自然制動 返回 undesired