noun 다운로드 🔗공유 방울뱀 Any of various venomous American snakes, of genera Crotalus and Sistrurus, having a rattle at the end of its tail. Examples : "The hiker carefully stepped around the rattlesnake coiled near the trail. " 등산객은 길 근처에 똬리를 틀고 있는 방울뱀을 조심스럽게 피해 걸었다. animal nature organism biology AI와 채팅어휘 게임독해 연습