单词	picopicogram
释义	picopicogram noun pi·​co·​pi·​co·​gram ˈpīkōˈpīkōˌgram : a unit of mass equal to 10−24 gram —abbreviation ppg Word History Etymology pico- + pico- + -gram
随便看	iapeti Iapetus iapetuses iapetusses Iapygian Iapygidae iarovize IAS Iasi Iasus IATA Iatmul iatmuls iatro- iatrochemists iatrogeneses iatrogenesis iatrogenic iatrogenically iatrophobe iatrophobes iatrophobia iatrophobic IAU IAZ

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。