| 单词 | radio collar |
| 释义 | radio collar radio collar n.（名词）A collar fitted with a small radio transmitter that when attached to a wild animal can be used in tracking the animal's movements by radio telemetry.无线电项圈：装有小型无线电发射器的项圈，当其附在野生动物身上时，借着无线电测距术可以用来追踪那只动物的动态 |
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