noun 下载 🔗分享 响尾蛇 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. " 那个徒步者小心地绕过了盘踞在小路附近的响尾蛇。 animal nature organism biology 与AI对话词汇游戏阅读练习