英语词汇protoactinium的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	protoactinium
释义	protoactinium 英?[?pr??t??'?kt?n??m] 美?[?pro?to?'?kt?n?rm] 释义 n. 镤英英释义 Noun 1. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead 行业词典医学镤：同protactinium???
随便看	drill rigs drill rock drill rocker drill rod drill rod connecting hoop drill rod coupling drill rod padding fork drill rods drill rods support (support of the drill string) drill rod subs drill rope drill round drill runner drills drill sampling drill sb into drill school drill scout drill screw (drilling screw) drills down drill seeder drill seeding drill-seismic facies section drill sergeant drill-sergeant

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

protoactinium