tracked

• 指被追踪、监视或跟踪的，常通过技术手段或系统性观察实现。

Describes something that has been followed, monitored, or traced, often using technology or systematic observation.

1. Monitored or followedB2formal

   Having been observed, monitored, or followed over time.

   被追踪的

   • The tracked animal was found to have migrated south.
   • All tracked shipments arrived on time.
   • The tracked changes in the document were reviewed by the editor.

   同义词observedpursuedshadowedtailed

   反义词unobserveduntracked

2. Equipped with tracksB2formal

   Describing a vehicle or device that moves on continuous tracks (like a tank or bulldozer).

   履带式

   • The tracked vehicle easily crossed the muddy terrain.
   • Tracked excavators are used in construction sites.
   • The army deployed tracked carriers for the mission.

   同义词caterpillarcrawler

   反义词wheeled

• 动词，表示追踪某人或某物的移动、进展或发展，也指寻找踪迹或记录行踪。

A verb used to indicate the act of following the movement, progress, or development of someone or something.

1. Follow or monitorB1formal

   To follow the movements or progress of someone or something.

   追踪

   • The police tracked the suspect using GPS.
   • We track our expenses with a mobile app.
   • Scientists track the migration patterns of birds.

   同义词chasedogfollowhuntkeep tabs onmonitorpursueshadowtracetrail

   反义词ignorelosemissneglect

2. Leave footprintsB1informal

   To leave marks or footprints on a surface.

   留下脚印

   • The children tracked mud all over the carpet.
   • He tracked snow into the house after playing outside.
   • Don't track dirt onto the clean floor.

   同义词trailtramptread

3. B1formal

   To record or measure data over time.

   追踪记录

   • The device tracks your heart rate during exercise.
   • We track sales figures every month.
   • The app tracks how many steps you take daily.

   同义词chartdocumentgaugelogmeasuremonitorrecordregistertrace

短语动词变体track down