sighting

n instance of sb/sth being seen 被看见的人或事物; 看见; 见到: several reported sightings of the escaped prisoner 据称有几次见到了那个逃犯 * the first sighting of a new star 一颗新星首次有人见到.

sidestep, sidewalk, sideway, sideway(s), sideways, siding, sidle, siege, sienna, sierra, siesta, sieve, sift, sifter, sigh, sight, sight-read, sight-reading, sight-screen (also screen), sighted, sightless, sights, sightseeing, sightseer, sign, sign in, sign language, sign on, signal, signal-box, signaller (US signaler), signally, signalman, signatory, signature, signature tune (also theme tune), signet, signet ring, significance, significant,