英语词汇“spring line”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	spring line
释义	spring line noun 1. : spring 11b 2. : an imaginary line connecting the two opposite points at which the curve of an arch or vault begins
随便看	bdellidae bdellium bdello- bdello bdellodrilus bdelloid bdelloida bdelloidea bdellonemertea bdellonyssus bdelloura bdg BDI bdl bdr bdry BDS bdy Be BE be Be be be- BE

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