有道,但是好像是读单词,句子不行
可以用有道试试
有一种步步高家教机有这功能
http://product.dangdang.com/1236803706.html?_ddclickunion=P-323425--ff09e55e0001cd29|ad_type=10|sys_id=1#dd_refer=http%3A%2F%2Fweigou.baidu.com%2Fsite%2Ftransition%3Fpid%3D185585488%26merchant_name%3D%25e5%25bd%2593%25e5%25bd%2593%25e7%25bd%2591%26product_url%3Dhttp%253a%252f%252funion.dangdang.com%252ftransfer.php%253fsys_id%253d1%2526ad_type%253d10%2526from%253dp-323425--ff09e55e0001cd29%2526backurl%253dhttp%25253a%25252f%25252fproduct.dangdang.com%25252fproduct.aspx%25253fproduct_id%25253d
有道,支持换线取词,鼠标放上去就有解释,发音
百度翻译可以用摄像头对准单词会取词翻译,有朗读的功能。