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

closed chain

closed chain是什么意思、closed chain怎么讀

closed chain漢語翻譯

【醫(yī)】 閉鏈

closed chain英語解釋

名詞 closed chain:

  1. (chemistry) a chain of atoms in a molecule that forms a closed loop
    同義詞：ring

形容詞 closed chain:

  1. having atoms linked by bonds represented in circular or triangular form
    同義詞：closed-chain, closed-ring
0
糾錯(cuò)