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单词	J/psi particle
释义	J/psi particle noun ˌjā-ˈsī-  -ˈpsī- : an unstable neutral fundamental particle of the meson group that has a mass about 6000 times the mass of an electron called also J particle, J/psi, psi particle Word History First Known Use 1977, in the meaning defined above
随便看	pygmalia Pygmalion pygmalions pygmean pygmier pygmies pygmiest pygmoid pygmy pygmy antelope pygmy chimpanzee pygmy elephant pygmy falcon pygmy flint pygmy goose pygmy hippopotamus pygmy hog pygmy lemur pygmy locust pygmy marmoset pygmy musk deer pygmy nuthatch pygmy owl pygmy parrot pygmy possum

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。