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tracer element
tracery trachea tracheae tracheal tracheary tracheate tracheated tracheid tracheidal tracheitis tracheobronchial tracheola tracheolar tracheophyte tracheotomy trachoma trachomatous trachyte trachytic tracing tracing-paper track track and field track-and-field track-and-field athletics track events track record track suit trackage |
tracer element /'treisə'elimənt/
danh từ
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