specimens

例句:

• Brought to my attention three specimens of a mineral.
  来自W. Lindgren
• His wardrobe represented the...specimens of half a dozen fashions.
  来自O. Henry
• Astronauts have brought back specimens of rock from the moon.
  宇航员从月球带回了岩石标本。
  
• The traveler brought back some specimens of the rocks from the mountains.
  那位旅行者从山上带回了一些岩石标本。
  来自《权威词典》
• Normally specimens have to be dehydrated.
  标本通常需要经过干燥处理。
  
• This involved selecting specimens that had reliable collection dates.
  来自BBC