英语词汇background extinction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 extinction
释义	background extinction 英?[?b?kɡraund ?k?st??k??n] 美?[?b?k?ɡra?nd ?k?st??k??n] 释义背景灭绝行业词典生态学背景灭绝???没有人类活动而产生的环境变化时，物种的自然灭绝。???
随便看	postcardial dullness postcardial dullness,dulness postcardinal postcardinal sinus postcardinal vein postcardinal veins postcarding postcardiotomy postcardiotomy delirium postcardiotomy pericarditis postcardiotomy psychosis syndrome postcardiotomy syndrome postcardioversion arrhythmia postcardlike postcard paper post card paper postcard-perfect postcard projector postcard renewal postcards post-cards post cards postcard-size postcardware postcare

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 extinction