sphinx

n. 狮身人面像，谜一样的人

spelunker, spend, spend...time (in) doing, spender, spending, spendthrift, spent, sperm, sperm whale, spermaceti, spermatozoon, spermicidal, spermicide, spew, sphagnum, sphere, spherical, spherically, spheroid, sphincter, spice, spiced, spiciness, spick, spicy, spider, spider plant, spider-man, spidery, spied, spiel, spigot, spike, spikiness, spiky, spill, spillage, spillway, spin, spin bowler (also spinner),