| 例句 |
touchstonesnounpl. of touchstone something set up as an example against which others of the same type are comparedhis book has long been a touchstone for travel writing that aspires to be literature barometers, bars, benchmarks, criteria(also criterions), gold standards, grades, marks, measures, metrics, pars, standards, yardsticks cases, examples, instancesaverages, norms, rulesacmes, apexes(or apices), meridians, peaks, pinnacles, summits, zeniths aberrations, abnormalities, deviations |