| 单词 | parallax |
| 释义 | parallax n. 1. the apparent difference in the position or direction of an object caused when the observer's position is changed. 2. the angular amount of this. Derivatives parallactic adj. Etymology: F parallaxe f. mod.L parallaxis f. Gk parallaxis change f. parallasso to alternate (as PARA-(1), allasso exchange f. allos other) |
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