sightseeing/ˋsaIt͵siIŋ; ˈsaItˌsiːIŋ/n [U] when you visit the famous or interesting places in a town or city 观光﹐游览: In the afternoon, we went sightseeing . 下午我们去观光了。see box at见 VISIT1 方框 —sightseer n [C]
sightseeingnoun (no plural)the activity of visiting interesting buildings and places as a tourist: to go sightseeingDid you have a chance to do any sightseeing?▶ sightseersightseersightseersnounsame meaningtourist: The town was full of sightseers.