您要查找的是不是：
- 环 loop
- 环比 link relative ratio
- 圆环 traffic circle
- 环的 annular
- 环氧 epoxy
- GV-半群 GV - semigroup
- GV移植 GV translation
- 环氧乙烷 epoxy ethane
- GV-理想 GV-ideal
- 环己 hexanaphthene
- GV期卵 GV-occytes
- GV再沸器 GV Reboiler
- 外环 outer ring
- GV-逆半群 GV-inverse Semigroup
- 环保护 ring protection
- GV核酸染料 gold view
- 手环 wrist strap
- GV-纯正密群 GV-cryptic orthogroup
- 环岛 rotary island; roundabout
- GV-逆半群同余 GV - inverse semigroup congruence
