strontium

n [U] chemical element, a soft silver-white metal 锶. =>App 10 见附录 10.

stripper, stripy, 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 90, strop, 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,