网站首页 词典首页
causa sine qua non[拉];(cause without which not); a necessary or inevitable cause; a cause without which the effect in question could not have happened
英汉词典共收录311570条英汉翻译词条，基本覆盖所有常用英文单词的例句及中文翻译，是不可多得的英语学习材料。