英语词汇“principal point”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	principal point
释义	principal point Optics. the point where a principal plane intersects the axis. [1695-1705]
随便看	somewhen somewhere somewheres somewhile somewhither somewise somite Somme sommelier Sommerfeld somnambulate somnambulism somnifacient somniferous somnific somnolent Somnus Somoza Somoza Debayle son son- sonal sonance sonant sonar

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