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。 The majority of the crimes that she writes about slide into two groups: violent crimes and crimes in opposition to property. The most recent congressional report acknowledges the vital value of specialized coaching, but in addition asserts which the study on the humanities (人文学科)and social s... https://justpaste.it/jdm44