noun 下载 🔗分享 气球鱼,刺豚鱼。 A fish of the genus Diodon or Tetraodon, capable of distending its body by taking air or water into its dilatable esophagus. Examples : "While snorkeling in the coral reef, we saw a balloonfish puff itself up into a spiky ball to scare away a larger fish. " 在珊瑚礁浮潜时,我们看到一条气球鱼为了吓走一条更大的鱼,吸入空气把自己鼓成了一个带刺的球。 fish animal biology ocean nature 与AI对话词汇游戏阅读练习