分享一个 emacs 中查单词的方法

Emacs-Lisp
7

刚发现欧陆词典 LINUX 版很多词典要充会员才能用了，果断换回 Goldendict 了，Goldendict 很好集成：

(defun my/goldendict (&optional read)
  "Translate with goldendict."
  (interactive "P")
  (let* ((default-word (if (member major-mode '(doc-view-mode pdf-view-mode))
                           nil
                         (if mark-active
                             (buffer-substring-no-properties (region-beginning) (region-end))
                           (current-word))))
         (word (if read nil default-word)))
    (when (= 0 (length word))
      (setq word (read-string (concat "Translate Words: ") default-word)))
    (start-process "goldendict" nil "goldendict" word)))
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