英语词汇effective opening的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	effective opening
释义	effective opening 英?[i?fektiv ??up?ni?] 美?[??f?kt?v ?op?n??] 释义有效孔径
随便看	trapezoid (or small multangular bone) trapezoid overflow pipe trapezoid pattern data buffer trapezoid pattern data register trapezoid ridge trapezoid rule trapezoids trapezoid section ring trapezoid self-scheduling trapezoid-shaped slot trapezoid single start plug gauge trapezoid single start thread ring trapezoid spring trapezoid tear strength trapezoid trapezium trapezoid (trapezoidal) trapezoid truss trapezoid type retriever trapezoid voltage generator trapezoid wave trapezoid wind trapezoid window trapezonhedral hemihedrism trapezonhedral hemipedry trapezonhedral tetartohedrism

英汉双解词典包含4367426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。