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。 top quality： 最普通用词，既可指有形或无形的特性，又可指个性或共性的特征。 The most recent congressional report acknowledges the critical importance of technological education, but also asserts the analyze on the humanities (人文学科)and social sciences must continue being central parts of Ameri... https://housesforsalegurgaon.blogspot.com/