unless 英 [ənˈles] 美 [ʌnˈlɛs] conj. 除非,如果不; prep. 除了,…除外; [例句]Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high.
“除非”的英语单词是unless,详细信息如下:unless 英 [ənˈles] 美 [ʌnˈlɛs] conj.除非,如果不prep.除了,…除外例句:I'm not happy unless I ride or drive every day. 只有每天骑车或开车我才会开心。Avoid changing a nappy unless it's dirty or very wet. 除非尿布脏了或非常湿,否则别换。