Specimen可与sample换用，但常指人或物中选出的有代表性部分，或指供科研、化验或检验用的标本。 Normally, they survey and sample significant regions of terrain to determine where excavation will yield practical facts. The most up-to-date congressional report acknowledges the important worth of specialized teaching, and also asserts the study of the humanities (人文学科)and social sciences ... https://luxuryhousingingurgaon.blogspot.com/2025/05/pareena-micasa-luxurious-living-amidst.html