Chinese

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person who has been in contact; contact to stalk; to follow; to follow up
trad. (接觸者追蹤/接觸者追踪) 接觸者 追蹤/追踪
simp. (接触者追踪) 接触者 追踪

Pronunciation

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Noun

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接觸者追蹤

  1. (epidemiology) contact tracing