单词 | BB |
释义 | BB 1 ![]() n. A pellet or ball, usually of steel coated with copper or nickel, that measures 7/40 of an inch (0.44 centimeter) in diameter, used in air rifles. [From BB, a size of birdshot pellet intermediate between B and BBB that measures 17100 of an inch (0.43 centimeter) in diameter (from the fact that BB guns originally fired birdshot pellets of this size).] |
随便看 |
英语词典包含135693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。