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。 Generally, they survey and sample large areas of terrain to ascertain where excavation will generate useful information. Requested the wrong sizing Television in the application, but was in a position to swiftly alter my order inside the application also Once i discovered my slip-up several seve... https://share.evernote.com/note/e5dc8668-4d57-92a5-7da3-58b8a8aead84