| 单词 | boundary marker |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔marker〕The post served as a boundary marker.这根柱子用作界标。英汉大词典〔marker〕The post served as a boundary marker.这根柱子用作界标。外研社新世纪〔peg〕A similar pin forming a projection that may be used as a support or boundary marker.界桩，木桩：类似的可用作支撑物或界标的形成突起的栓形物美国传统 |
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