热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

crown glasses

crown glasses是什么意思、crown glasses怎么讀

crown glasses漢語翻譯

【醫(yī)】 冕牌玻璃

crown glasses英語解釋

名詞 crown glass:

  1. a glass blown into a globe which is later flattened and spun to form a disk
    同義詞：crown glass
  2. optical glass of low dispersion and low refractive index
    同義詞：optical crown, crown glass, optical crown glass
0
糾錯