词典双键
双键
词语解释
双键（雙鍵）[ shuāng jiàn ]
⒈ 在化合物分子中两个原子间以共用两对电子而构成的键。通常用两条短线“＝”表示。如乙烯(ch2＝ch2)、丙酮(h3ccch3o)等分子中的键。[hj]
相关词语
- dào jiàn chán guān道键禅关
- shuāng liú双流
- shuāng shēng双声
- shuāng yā双鸦
- shuāng jì dào双季稻
- shuāng huáng双簧
- shuāng wán双丸
- shuāng qīn双亲
- shuāng kuǎn双款
- shuāng huá lí双铧犁
- shuāng guì双跪
- cái mào shuāng jué才貌双绝
- shuāng yú双鱼
- shuāng wù双误
- jiàn pán yuè qì键盘乐器
- sì shuāng bā bài四双八拜
- dé yì shuāng xīn德艺双馨
- shuāng sù shuāng fēi双宿双飞
- xiǎo shuāng bāo小双包
- shuāng céng jīng yíng双层经营
- shuāng zhēn双甄
- yǐ shèn wéi jiàn以慎为键
- shuāng tóng双瞳
- shuāng luó双螺
- shuāng fú双符
- shuāng yǐn双引
- shuāng hóng bài tiē双红拜帖
- shuāng zhòu双绉
- míng lì shuāng shōu名利双收
- shuāng yào双曜