单词	pump bob
释义	pump bob noun : a bell crank or similar device for converting rotary into reciprocating motion Word History Etymology pump entry 1
随便看	pyroboric acid pyrocatechin pyrocatechol pyrocatechols pyrocatechuic acid pejoratives pejë pek-dox medium pekan Pekanbaru pekans peke peke-faced pekepoos pekes Pekin pekinese pekineses peking peking blue peking cotoneaster Peking duck Peking man Peking nightingale Pekingese

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。