optical instruments

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  • n.光学仪器
  • Web光学测定仪;光学器材;光学仪器及器具
n.
1.
光学仪器

Sample Sentence

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