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 基本解释艾倫內六角扳手（一種L形金屬工具，用來擰六角螺絲）。同根派生 Allen key相关词英英字典劍橋英英字典 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