He has a collection of rare insect specimens.
他收集了很多稀有昆虫的标本。
Museums will pay large amounts of money for good dinosaur fossil specimens.
博物馆愿意出大价钱购买完好的恐龙化石标本。
Astronauts brought back specimens of moon rock.
宇航员带回了月球岩石的样本。
They took blood and urine specimens for analysis.
他们采集血样和尿样作分析。