{
        "dictName": "雅虎奇摩字典", 
       "windowUrl": "https://tw.dictionary.search.yahoo.com/search?p=<word>", 
        "css": "body {margin-top: 50px !important;}"
    }

雅虎服务已经终止了，不过译典通这家还是可以的。

addExtraDict(
    {
        dictName: '译典通', 
        windowUrl: 'https://yun.dreye.com/dict_new/dict.php?w=<word>', 
        css: '#searchform,#top_nav {display: none;}'
    }
)

    {
        "dictName": "雅虎奇摩字典", 
       "windowUrl": "https://tw.dictionary.search.yahoo.com/search?p=<word>", 
        "css": "body {margin-top: 50px !important;}"
    }