Read Edit View history 距角 jùjiǎo elongation Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 距角 · jùjiǎo · elongation 2026/03/04 距角 jùjiǎo elongation elongation (astronomy) 内行星的最大距角是观测它们的最佳时机。 created sense Mar 4, 2026, 02:25 AM