英语词汇directrix of a parabola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	directrix of a parabola
释义	directrix of a parabola— 定直线 Examples: directrix line of a parabola— 准线 See also: parabola — 抛物线 of — 的
随便看	interest rate on the loan interest rate on the loan interest rate opportunities interest rate opportunities interest rate options interest rate outlook interest rate outlook interest rate over interest rate parity interest rate payable interest rate payment interest rate payment interest rate per annum interest rate per annum interest rate percent interest rate percent interest rate policy interest rate policy interest rate position interest rate position interest rate profile interest rate protection interest rate published interest rate published interest rate quotes

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

directrix of a parabola—