tree snake
noun
1- a harmless arboreal snake, typically very slender and able to mimic a twig树蛇。
1.1
- Several genera in the family Colubridae, e.g. Dendrelaphis and Ahaetulla (of Asia), and Leptophis and Oxybelis (of America).游蛇科, 数属, 例如树蛇属, 瘦蛇属（亚洲）, 大眼蛇属, 蔓蛇属（美洲）。