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

watch glass

watch glass是什么意思、watch glass怎么讀

watch glass漢語翻譯

【化】 表面皿

watch glass英語解釋

名詞 watch glass:

  1. laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker
  2. a protective cover that protects the face of a watch
    同義詞：crystal, watch crystal
0
糾錯(cuò)