| 单词 | tracer |
| 释义 | tracer tracer n: (person: finds missing goods, people) SC 失物追查者 shī wù zhuī chá zhě SC 失踪人口追踪者 shī wù zhuī chá zhě，shī zōng rén kǒu zhuī zōng zhě The girl wanted to work as a tracer for the police when she grew up. tracer n: (bullet: leaves smoke trail) SC 曳光弹 yè guāng dàn TC 電光彈 SC 信号弹 yè guāng dàn，xìn hào dàn tracer n: (biology, etc.: substance for observing processes) SC 追踪剂 zhuī zōng jì TC 追蹤劑 SC 显踪剂 zhuī zōng jì，xiǎn zōng jì tracer n: US (inquiry to find missing goods) SC 追踪调查 tracer n: (machine: copies lines) SC 描记器 miáo jì qì SC 描线器 miáo jì qì，miáo xiàn qì skip tracer: (missing person investigator) SC 失踪案调查人员 |
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