一，下载安装包地址：
http://codown.youdao.com/cidian/linux/youdao-dict_1.0.2~ubuntu_i386.deb
http://codown.youdao.com/cidian/linux/youdao-dict_1.0.2~ubuntu_amd64.deb
二，安装依赖库
sudo apt-get install libqt5designer5 libqt5clucene5 libqt5help5 python3-sip python3-pyqt5 python3-xlib liblept4 libtesseract3 tesseract-ocr-osd tesseract-ocr-equ tesseract-ocr tesseract-ocr-eng tesseract-ocr-chi-sim tesseract-ocr-chi-tra python3-pil libqt5multimediawidgets5 python3-pyqt5.qtmultimedia python3-pyqt5.qtquick python3-pyqt5.qtwebkit qtdeclarative5-quicklayouts-plugin qtdeclarative5-controls-plugin
三，sudo dpkg -i youdao-dict_1.0.2~ubuntu_amd64.deb