strop

v (-pp-) [Tn] sharpen (a razor) on a strop 在皮带或打磨机上磨（剃刀）.

strive, strive for, strobe light (also strobe), stroboscope, stroboscopic, strode, stroke, stroll, stroller, strolling, strong, strong language, strong-arm, strong-box, strong-minded, strong-room, stronghold, strongly, strontium, strontium 90, stroppy, strove, struck, structural, structuralism, structuralist, structurally, structure, strudel, struggle, struggle against, struggle for, struggle to one's feet, strum, strumpet, strung, strung up, strut, strychnine, stub,