Allen key
noun [ C ] trademark uk/ˈæl.ən ˌkiː/ us/ˈæl.ən ˌkiː/ (also Allen wrench)
艾伦内六角扳手（一种L形金属工具，用来拧六角螺丝）
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 top
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。