单词	Planck's constant
释义	Planck's constant noun ˈpläŋ(k)s-  ˈplaŋ(k)s-  variants or less commonly Planck constant : a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an exact value of 6.62607015 × 10−34 joule seconds —symbol h Word History Etymology Max K. E. L. Planck First Known Use 1910, in the meaning defined above Medical Definition Planck's constant noun ˈplaŋ(k)s-  ˈpläŋ(k)s-  : a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10−34 joule second —symbol h
随便看	shuck-bottom shuck-bottomed shuck-split shucked shucked (off) shucked off shucker shuckers shucking shucking (off) shucking off shuckings shucks shucks (off) shucks off shuckses shuckworm shucky bean shudder shudder to think shudder to think (of) shudder to think of shuddered shudderier shudderiest

英语词典包含469781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。