新辞典API请愿

[HKMHD]

辞典支持：https://mymemory.translated.net/

这个辞典有输出的API，而且提供人工翻译

另外能不能考虑增加必应的词典？

哥哥的选词弹窗的UI，能不能开源个独立库，看着很想用

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