单词：rattlesnakes
音标：['rætlsneɪks] ；
n. 响尾蛇( rattlesnake的复数形式 )
n. pit viper with horny segments at the end of the tail that rattle when shaken
rattlesnakes的用法和样例：
例句
- Rattlesnakes belong to the viper family.响尾蛇属于蛇科。
- Rattlesnakes occur in the warmer, drier parts of North America.响尾蛇出现在北美温暖干燥的地区。