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来源:雅诚德英语网
Rescuers can be not only alerted by the banging but also guided precisely to the scene.
营救人员不仅可以探测到求救的声音,而且也能被准确地引导到事发地点。
Rescuers can be not only alerted by the banging but also guided precisely to the scene.
营救人员不仅可以探测到求救的声音,而且也能被准确地引导到事发地点。