sirloin

n [U, C] best part of a loin of beef 牛腰上部的肉: a slice of sirloin 一块牛腰肉 * a top-quality sirloin 上好的牛腰肉.

sink, sink in, sinker, sinkhole, sinking, sinking fund, sinlessness, sinner, Sino- (also sino-), sinologist, sinology, sinuosity, sinuous, sinus, sinusitis, sip, siphon, sir, sire, siren, sirocco, sirup, sisal, sissy (also cissy), sister, sister-in-law, sisterhood, sisterly, sit, sit down, sit down on, sit for, sit in, sit on, sit up, sit up (and take notice), sit-down, sit-in, sitar, sitcom,