单词	Vocal learning
释义	Vocal learning 鸣唱学习
随便看	visibility in atmosphere visibility in cloud Visibility Increasing Rapidly visibility index visibility indicator visibility instrument visibility in the harbor visibility in water Visibility is good Visibility is good bad Visibility is good bad, zero, one kilometer Visibility is good [bad,zero,one kilometer] visibility judge visibility level visibility levelVL visibility limit visibility list Visibility Management File visibility map visibility mark visibility marker visibility marks visibility measurement visibility measuring set visibility meter