Greasy Fork is available in English.
Translate selected words by Bing Dict(Dictionary support EN to CN, CN to EN), with EN pronunciation, with CN pinyin. Translation is enabled by default, click the 'Bing Dict' icon at bottom left to toggle translation. Auto play pronunciation can be enabled in menu.
< Feedback on Bing Dict, Translate by selecting words, with pronunciation
bing dict已经不支持翻译长文本了，要自己到这里去翻译 https://cn.bing.com/translator?mkt=zh-CN
translator的API要azure账户，我就没弄了。
1.4.30我改了一下错误提示。
1.v1.4.29 火狐pc端，翻译长文本失败，不显示任何内容