| 单词 | transponder |
| 释义 | transponder UK [træn'spɒn.dər] US [-'spɑ:n.dɚ] specialized noun countable ■an electronic device that gives out a radio signal when it receives a similar signal telling it to （发射机）应答器，转发器 •Aircraft are required by law to carry transponders, so that they can be identified.按照法律规定，飞机必须携带应答器以便识别。 |
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