短語詞組短語unwanted alarm 無用報(bào)警unwanted fire 害火unwanted shifting 不必要的變速unwanted mode 不要的振蕩unwanted sideband 干擾邊帶unwanted child 被遺棄的兒童unwanted voltage 無用電壓unwanted radiation 無用輻射unwanted enantiomers 非目標(biāo)對(duì)映體 返回 unwanted