Binoculars:The Essential Tool for Every Outdoor Enthusiastbinoculars的意思

Binoculars, also known as binoculars, are an essential tool...

• bethash
• 2025-04-11
• 19

双筒望远镜，从历史到现代binoculars的意思

双筒望远镜，即binoculars，是一种由两组透镜组成的光学仪器，最初由伽利略于1638年发明，用于观测天空，它为天文...

• bethash
• 2025-03-30
• 20