英语词汇“certified mail”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	certified mail
释义	certified mail uninsured first-class mail requiring proof of delivery. [1950-55]
随便看	paracentesis paracetaldehyde parachronism parachute proton synchrotron proto-oncogene protopathic protopectin protophloem protoplanet protoplasm protoplast protopodite protopope protopresbyter protostar protostele protostome prototherian prototroph prototrophic prototype protoxide protoxylem Protozoa

英语词典包含168451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。