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串讲自考英语阅读（二）词汇UNIT1-4 -自考串讲笔记 ... substance n. material； a type of matter 物质 technician n. a highly skilled scientific or industrial worker； specialist in the practical details of a subject 技术员；技师；技术专家 transfuse v. put （the blood of one person） into the body of another 输（血） ...