1. skimming在牛津词典当中的解释是:“read quickly, noting only the chief points”在韦氏词典里的的解释是 “to read, study, or examine superficially and rapidly; especially: to glance through (as a book) for the chief ideas or the plot”
2. scanning在牛津词典当中的解释是“glace at quickly but not very thoroughly ”在韦氏词典当中的解释是:“ to glance from point to point of often hastily, casually, or in search of a particular item (scan the want ads looking for a job)”