| 摘要 |
2134437 9322757 PCTABS00027 Apparatus for assisting the learning of a foreign language employs a text in the foreign language printed with an ink which reflects part of the visual spectrum, such as red ink. Superimposed on that foreign language text is a literal translation of the text in a language familiar to the reader, imprinted in an ink which reflects a different portion of the visual spectrum, such as blue ink. A student (14) reads the text (16) using eyeglasses (12) which have lens (18) coated with filters to that the upper portions (20), through which the student normally reads the text, pass light reflected from the foreign language text, rendering it visible to the reader, and block light reflected from the familiar language translation, rendering it invisible to the reader. When the reader requires translation of a section of the foreign language text, the reader's gaze is shifted, in the manner of use of bi-focal glasses (12), to observe the text through the lower sections (22) of the filter, rendering the translation visible.
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