surface

n.表面；外表，外观

suppressor, suppurate, suppuration, supra-, supremacist, supremacy, supreme, supremely, Supt, surcharge, surd, sure, sure-fire, sure-footed, sure-footedly, sure-footedness, surely, sureness, surety, surf, surface mail, surface tension, surface-to-air, surfboard, surfeit, surfer, surge, surgeon, surgery, surgical, surgically, surliness, surly, surmise, surmount, surmountable, surname, surnamed, surpass, surpassing,