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 : "The aquarium in the doctor's waiting room was filled with brightly colored tetra and lush green plants. " 医生候诊室里的鱼缸里养着色彩鲜艳的四眼鱼和茂盛的绿色植物。 fish animal 与AI对话词汇游戏阅读练习