您要查找的是不是：
- 环AMPcyclic AMP
- 环AMP合成酶cyclic AMP synthetase
- 环loop
- 环AMP受体部位Cyclic AMP receptor site
- 环AMP受体蛋白cyclic AMP receptor protein
- 环AMP受体蛋白质cyclic AMP receptor protein
- 3',5'-环AMP合成酶3', 5'-Cyclic AMP synthetase
- 环比link relative ratio
- 圆环traffic circle
- 环的annular
- 环氧epoxy
- 环氧乙烷epoxy ethane
- 环己hexanaphthene
- 外环outer ring
- 环保护ring protection
- 手环wrist strap
- 环岛rotary island; roundabout
- 卡环snap ring
- 内环inner belt
- 磁环magnetic ring
