英语词汇springing line怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	springing line
释义	springing linen.（名词） A horizontal line between the springings of an arch.起拱线：拱形物起拱点之间的水平线
随便看	subsp. subspecialize subspecialty subspecies subst. substage substance substance abuse substance P substances substandard substantiae nigrae substantia gelatinosa substantial substantials substantia nigra substantiate substantiated substantiates substantiating substantival substantive substantive right substantives substation

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