sole

n.脚底，鞋底 a.唯一的；独占的，专有的

soggy, soh, soigne, soil, soiree, sojourn, sol, sol-fa, solace, solar, solar cell device, solar plexus, solar system, solarium, sold, solder, soldering-iron, soldier, soldierly (also soldier-like), soldiery, solecism, solely, solemn, solemnity, solemnization, solemnisation, solemnize, solemnise, solemnly, solemnness, solenoid, Solent, solicit, solicitation, solicitor, Solicitor-General, solicitous, solicitously, solicitude, solid, solid-state, solidarity,