The word is 'tracer', pronounced ['treɪsə]. It is a noun with meanings including a tracker, tracer (a substance used to follow a process), someone who traces, or a drawing tool like a stylus.
这个单词是'tracer'，发音为['treɪsə]。它是一个名词，意思包括追踪者、示踪物、描图者或绘图工具。
| 单词 | tracer |
|---|---|
| 发音 | ['treɪsə] |
| 释义 | n. 追踪者；示踪物；描图者；（铁笔等）绘图工具 |
| 词序 | 19378 |
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