spotter

• 名词，指负责观察、监视或识别特定目标的人，如清除污渍的工人、做标记的人，或留意预期事件发生的人。

A noun referring to a person who observes, watches for, or identifies something specific, such as a worker who removes spots, applies markers, or keeps watch for an anticipated event.

1. Dry-cleaning workerB2formal

   A worker at a dry-cleaning establishment whose job is to remove spots and stains from garments.

   去渍工

   • The spotter carefully treated the wine stain on the silk dress.
   • He worked as a spotter at the local dry cleaner for years.
   • The spotter used a special solution to remove the grease mark.

2. Marker applicatorB2formal

   A worker employed to apply spots or marks as identifiers on items or materials.

   标记工

   • The spotter marked each piece of fabric with a colored dot.
   • In the factory, the spotter identified defective items with a small mark.
   • The spotter's job was to apply spots to the finished products for quality control.

3. Lookout or observerB2formal

   A person employed to keep watch for some anticipated event, such as a train, plane, or emergency.

   观察员

   • The train spotter waited at the station for the express locomotive.
   • A fire spotter was stationed in the tower to watch for smoke.
   • The spotter alerted the team when the storm approached.

   同义词lookoutmonitorobserversentinelsentrywatcher

4. First observerB2formal

   Someone who is the first to observe something, often in a specialized field like astronomy or birdwatching.

   首次观测者

   • The bird spotter identified a rare species in the marsh.
   • As a comet spotter, she was the first to notice the new celestial object.
   • The spotter reported the unusual cloud formation to the weather service.

   同义词discovererfinderobserver