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

单词	background activity
释义	background activity 英?[?b?kɡraund ?k?tiviti] 美?[?b?k?ɡra?nd ?k?t?v?ti] 释义本底放射性，背景活动行业词典药学背景活动???
随便看	hard-clipped autocorrelator hard closing hard clot hard cloth hard coal hard coal mining hard coal open-pit mining hard-coal plough hard coals hard-coat hardcoat hard coat hard-coated hard coated hard coated seed hard-code hardcode Hard Code hard coded hardcoded hard-coded hardcodes hard codes hardcoding hard coding

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。

background activity