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e·lon·ga·tion AHD[ĭ-lông'-gāʹshən, ĭ-lŏng'-, ē'lông-, ē'lŏng-] D.J.[ɪˌlɔːŋˈgeɪʃən, ɪˌlɒŋ-, ˌiːlɔːŋ-, ˌiːlɒŋ-]K.K.[ɪˌlɔŋˈgeʃən, ɪˌlɑŋ-, ˌilɔŋ-, ˌilɑŋ-]n.（名词）- The act of elongating or the condition of being elongated.拉长：拉长的动作或被拉长的状态
- Something that elongates; an extension.拉长物；延伸物
- The angular distance between two celestial bodies as seen from Earth.距角：从地球上看的两个天体之间的角距离
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