单词	mathematical expectation
释义	mathematical expectation noun : expected value Word History First Known Use 1832, in the meaning defined above
随便看	hypodermic needles hypodermic syringe hypodermic syringes hypodermically hypodermics hypodermis hypodermises hypodermous hypoderms hypodiploid hypodiploidies hypodiploidy hypodochmius Hypodorian mode hypodynamia hypoed hypoesthesia hypoesthesias hypoeutectic hypoeutectoid hypogaea hypogaeum hypogammaglobulinemiae hypogammaglobulinemias hypogamy

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。