1. tail feather：tail bud 尾芽 | tail feather 尾羽 | tail fin 尾
2. rectrix：rectal gland 直肠腺 | rectrix 尾羽 | rectum 直肠
3. tail quills; t. feathers：尾部;尾片 tail piece | 尾羽 tail quills; t. feathers | 棕背树蜥 Tailand Bloodsucker; Calotes emma
4. 911查询·英语单词
4. tail feathers; rectrices：尾部覆羽 tail covert | 尾羽 tail feathers; rectrices | 尾褶 tail fold