单词：bullfrog
音标：['bulfrɒg] ；
n. 牛蛙, 喧蛙
n. largest North American frog; highly aquatic with a deep-pitched voice
词型变化：名词复数形式 : bullfrogs
词性分布：
bullfrog的用法和样例：
例句
用作名词(n.)
- A bullfrog was croaking in the distance.一只牛蛙在远处呱呱地叫。