词汇 | binocular |
词根词缀 | 词源: binocular (adj.) 1738, "involving both eyes," from Fr. binoculaire, from L. bini "two by two, twofold, two apiece" (especially of matching things) + ocularis "of the eye," from oculus "eye" (see eye). The double-tubed telescopic instrument (1871, short for binocular glass) earlier was called a binocle (1690s). |
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