单词	top-up card
释义	top-up cardˈtop-up ˌcard noun [countable] a card that you buy in order to be able to continue using a pay-as-you-go mobile phone
随便看	synonymously synopsis syntactic syntactically syntax synth synthesis synthesize synthesizer synthespian synthetic synthetically synthetics syphilis syphilitic syphon Syracuse Syria Syrian syringe syrup syrupy sysadmin system system administrator

英语词典包含52748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。