英语词汇protactin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protactin
释义	protactin protactiniumn. [化]镤（元素符号Pa，等于protoactini... protectionn. 保护, 保卫贸易保护措施防护物 (向歹徒缴纳的... protractvt. 延长；绘制；伸展 proactiveadj. 主动的，积极的；先发制人的 protectiveadj. 保护的, 防护的显示保护意愿的 protectorn. 保护人；保护物；保护装置
随便看	have a time have a time of it have a tin ear have a tinger by the tail have a tinker at have a tinkle have ... at ... mercy have at my disposal have at my fingers ends have at my fingertips have a toothache have a tooth extracted have a touch of have a tough time of it have at our disposal have at our fingers ends have at our fingertips have a trick of doing have a trick up your sleeve have a trip have a true realization of something have a try have a try at have a try at it have a try for it

英汉双解词典包含3607232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。