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visual aid

US 
UK 
  • n.直观教具
  • Web视觉教具;助视器;目视航标
Plural Form:visual aids  
visual aid
n.
1.
直观教具a picture, video, etc. used in teaching to help people to learn or understand sth

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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