satchel

n small leather or canvas bag, usu carried over the shoulders and used for carrying school books, etc 小的皮包或帆布包; （通常指背在肩上的）书包.

Sargasso Sea, sari, sarky, sarong, sartorial, sartorially, SAS, sash, sash-cord, sash-window, sashay, sass, Sassenach, sassy, Sat, Satan, satanic, satanically, Satanism, Satanist, sate, sated, satellite, satiable, satiate, satiated, satiation, satiety, satin, satinwood, satiny, satire, satirical, satirically, satirist, satirize, satirize, satirise, satisfaction, satisfactorily, satisfactoriness,