您要查找的是不是：
- 环颈鸫.a ring ouzel
- 环颈鸫ring ouzel
- 环loop
- 环颈鸭tufted duck; tufted pochard
- 环颈雉ring necked pheasant
- 颈neck
- 宫颈neck of uterus
- 环比link relative ratio
- 颈部the neck area of the body
- 圆环traffic circle
- 环的annular
- 子宫颈cervix
- 环氧epoxy
- 宫颈糜烂cervical erosion
- 环氧乙烷epoxy ethane
- 颈动脉carotid
- 环己hexanaphthene
- 宫颈炎cervicitis
- 外环outer ring
- 轴颈neck journal
