noun 下载 🔗分享 四眼鱼, 加拉辛鱼. Any of numerous species of small South American freshwater fish of the family Characidae, popular in home aquariums. Examples : "My daughter's aquarium is full of colorful tetras and a few guppies. " 我女儿的鱼缸里养满了色彩鲜艳的加拉辛鱼,还有一些孔雀鱼。 fish animal biology 与AI对话词汇游戏阅读练习