您要查找的是不是：
- 共价连接闭合环状DNAcovalently closed circular DNA
- 共价闭合环状DNAccc DNA; covalent closed circular DNA; covalently closed circular DNA
- 共价闭合环状DNA分子covalent colsed circular DNA molecule
- 乙肝病毒共价闭合环状DNAcccDNA
- 共价连接covalent linkage
- 共价闭合环状DNA（cccDNA）Covalently closed circular DNA(cccDNA)
- 价连接性指数Valence connectivity index
- 键价连接性指数bond valence connectivity index
- 闭合close
- 边价连接性指数edge valence connectivity index
- 不共戴天an irreconcilable enemy
- 一条四车道的公路连接这两个城市。A four-lane highway connects the two cities.
- 闭合的occlusive
- 分子价连接性指数molecular valance connectivity index
- 谁也不愿与好唠叨的人一起共事。Nobody likes to work with a nag.
- 厂价mill price
- 从属连接词a subordinate conjunction
- 闭合回路closed path
- 妻子与我共患难。My wife shared with me in distress.
- 六价铬hexavalent chrome
