单词 | ball bearing |
释义 | ball bearing ˌball ˈbearing noun [C] ► F0 a small metal ball or several of these arranged in a ring to make particular parts of a machine move more easilyThesaurus+: ↑Machine parts |
随便看 |
英语词典包含67674条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。