您要查找的是不是：
- 環AMPcyclic AMP
- 環AMP合成酶cyclic AMP synthetase
- 環loop
- 環AMP受體部位Cyclic AMP receptor site
- 環AMP受體蛋白cyclic AMP receptor protein
- 環AMP受體蛋白質cyclic AMP receptor protein
- 3',5'-環AMP合成酶3', 5'-Cyclic AMP synthetase
- 環比link relative ratio
- 圓環traffic circle
- 環的annular
- 環氧epoxy
- 環氧乙烷epoxy ethane
- 環己hexanaphthene
- 外環outer ring
- 環保護ring protection
- 手環wrist strap
- 環島rotary island; roundabout
- 卡環snap ring
- 內環inner belt
- 磁環magnetic ring
