sighting

• 观察、发现或遇到某事物（尤指罕见、不寻常或目标对象）的行为。

The act of seeing, observing, or detecting something, especially something notable, rare, sought after, or targeted; also refers to the technical process of aligning instruments or weapons with a specific point of reference.

1. Observation of something rare, unusual, or sought afterB2formalscientific

   An instance of seeing or detecting a phenomenon, creature, person, or object that is uncommon, elusive, or of particular interest. Often documented by witnesses, researchers, or enthusiasts for scientific, recreational, or media purposes.

   罕见事物的目击、发现、遇见

   • Researchers documented several rare bird observations during the migration season.
   • Enthusiasts gathered reports of unidentified aerial phenomena from multiple locations.
   • The national park recorded an increase in wildlife detections after habitat restoration.
   • Celebrity appearances in public places often attract media attention and fan excitement.
   • Marine biologists celebrated the first confirmed observation of the species in these waters.

   同义词detectionglimpseobservationspotting

2. Technical alignment of instruments or weapons with a targetC1formaltechnical

   The precise process of adjusting optical devices, firearms, or surveying equipment so that their aiming mechanism corresponds accurately with a designated point or object. Critical for accuracy in military, sporting, or professional applications.

   瞄准校准

   • The sniper verified the rifle's calibration before attempting the long-range shot.
   • Surveyors adjusted their theodolite to ensure precise angular measurements.
   • Archery competitors check their bow sights before each round of competition.
   • Naval gunners practiced target acquisition procedures during training exercises.
   • Astronomers aligned their telescopes using reference stars for optimal viewing.

   同义词adjustmentalignment

3. Navigation: determining position by observing landmarks or celestial bodiesC1formaltechnical

   The maritime or aviation practice of establishing one's location by visually identifying and measuring angles to known reference points such as lighthouses, mountains, stars, or other navigational aids.

   目视定位，航海观测定位

   • The captain confirmed the vessel's position using coastal landmarks and celestial navigation.
   • Pilots cross-referenced ground features with their charts during visual flight conditions.
   • Historical explorers relied on stellar observations to traverse uncharted oceans.
   • Modern systems supplement traditional methods but visual confirmation remains valuable.
   • Training programs emphasize fundamental techniques for emergency navigation scenarios.

   同义词bearingfixobservationreadingsight

4. Reported appearance of supernatural or unexplained phenomenaB2informal

   An account or claim of witnessing entities, events, or occurrences that fall outside conventional scientific explanation, often shared through personal testimony, media reports, or investigative documentation.

   超自然现象目击报告

   • Local folklore includes numerous accounts of mysterious lights in the forest.
   • Investigators collected witness statements about unusual atmospheric phenomena.
   • Documentary filmmakers explored regions known for frequent unexplained reports.
   • Skeptics and believers continue to debate the interpretation of such accounts.
   • Researchers emphasize the importance of verifiable evidence when evaluating claims.

5. Initial visual contact with a destination or objectiveB2formal

   The moment when a traveler, explorer, or vessel first comes within visual range of a planned destination, landmark, or goal after a period of journeying without direct visual confirmation.

   首次发现目标，进入视野，视觉接触

   • After weeks at sea, the crew celebrated their first view of land on the horizon.
   • The expedition team felt renewed motivation upon spotting the mountain peak.
   • Pilots announced visual contact with the runway during final approach procedures.
   • Historical journals describe the emotional impact of first seeing new territories.
   • Search and rescue operations prioritize establishing visual confirmation of missing persons.

   同义词landfall

   反义词lossmiss

• 动词，表示看见或观察到某物，尤指在寻找之后或从远处看到。

A verb used to indicate the act of seeing or observing something, especially after searching or from a distance.

1. To see or observeB2formal

   To see something, especially after looking for it or from a distance.

   看见

   • The sailors sighted land after weeks at sea.
   • The lookout sighted a ship on the horizon.
   • We sighted a rare bird during our hike.

   同义词discernespyglimpsenoticeobserveperceivespotspy

   反义词ignoremissoverlook

2. B2formal

   To look at something through a sight (e.g., on a gun or telescope) to aim or align.

   瞄准

   • He sighted the target through the rifle scope.
   • The surveyor sighted the distant point with his instrument.
   • She sighted along the edge of the board to check if it was straight.

   同义词aimaligndraw a bead ontake aimtargetzero in