标本, 样本
an individual animal, plant, piece of a mineral, etc., used as an example of its species or type for scientific study or display.
:
• The museum has a rare specimen of a giant squid.
博物馆里有一件罕见的巨型鱿鱼标本。
• They collected soil specimens for analysis.
他们收集了土壤样本进行分析。