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。 Ordinarily, they study and sample massive areas of terrain to determine wherever excavation will yield handy information and facts. Substantial garbage dumps and sprawling landfills constitute one of many much more uncomfortable impacts that individuals have on wildlife. These teams are skilled ... https://share.evernote.com/note/ddc559a5-7399-82a5-6182-1d3b6a028b98