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。 For car or truck installations, you may watch, agenda, Check out, alter or reschedule appointments by going to Geek Squad® Autotech Reservations. Make sure you keep in mind that demand for appointments all-around the vacations is so large that appointment slots normally fill up rapidly. Huge rub... https://share.evernote.com/note/98194e12-0732-13db-3fd5-bba026c9cc39