音标发音英式音标 [ˈæl.ən ˌkiː]美式音标 [ˈæl.ən ˌkiː]英式发音 美式发音 基本解释艾伦内六角扳手(一种L形金属工具,用来拧六角螺丝)。同根派生 Allen key相关词英英字典剑桥英英字典 a brand name for an L-shaped metal tool with six sides that is used to turn a screw that has a six-sided hole in the topAllen key剑桥字典Allen key柯林斯字典