bull's-eye /ˈbʊlˌzaɪ ||ˈbʌl-/
 靶心


 Bull's-eye n.
 1. Naut. A small circular or oval wooden block without sheaves, having a groove around it and a hole through it, used for connecting rigging.
 2. A small round cloud, with a ruddy center, supposed by sailors to portend a storm.
 3. A small thick disk of glass inserted in a deck, roof, floor, ship's side, etc., to let in light.
 4. A circular or oval opening for air or light.
 5. A lantern, with a thick glass lens on one side for concentrating the light on any object; also, the lens itself.
 6. Astron. Aldebaran, a bright star in the eye of Taurus or the Bull.
 7. Archery & Gun. The center of a target.
 8. A thick knob or protuberance left on glass by the end of the pipe through which it was blown.
 9. A small and thick old-fashioned watch. [Colloq.]

 ◄ ►