noun 下载 🔗分享 鲟鱼 Any marine or freshwater fish of the family Acipenseridae that are prized for their roe and are endemic to temperate seas and rivers of the northern hemisphere, especially central Eurasia. Examples : "The expensive caviar came from a large sturgeon caught in the river. " 这种昂贵的鱼子酱来自一条在河里捕获的大型鲟鱼。 fish animal food biology 与AI对话词汇游戏阅读练习