名詞 grass snake:

1. harmless European snake with a bright yellow collar; common in England
   同義詞：ring snake, ringed snake, Natrix natrix
2. any of numerous nonvenomous longitudinally-striped viviparous North American and Central American snakes
   同義詞：garter snake
3. either of two North American chiefly insectivorous snakes that are green in color
   同義詞：green snake