spyglass

n small telescope 小望远镜.

spud, spud-bashing, spume, spun, spun glass, spun silk, spun sugar, spunk, spunky, spur, spurious, spuriously, spuriousness, spurn, spurt, sputnik, sputter, sputum, spy, spy-glass, Sq, Sqn Ldr, squab, squabble, squad, squad car, squaddie (also squaddy), squadron, squadron leader, squalid, squalidly, squall, squally, squalor, squander, squanderer, square, square brackets, square dance, square knot,