为什么是less than three hours 不是 fewer

为什么是less than three hours 不是 fewer 少于 less than为什么是less less不是修饰不可数名词的么,把less换成fewer可以么 对划线部分提问：They dance less than three times a week.(划线部分为：less than three times a week)大家帮帮忙,是英语题目! less than 和 fewer thanless than 5 minutes 还是 fewer than 5 minutes 为什么是less than呢？minutes不是可数吗？可数不用fewer？ This is the small house less than 15 square metes.为什么是less than不是lessing than,现在分词修饰吗?一个句子两个动词｛BE动词,less｝,不是中国式英语吗? This is the small house less than 15 square metes.为什么是less than不是lessing than,现在分词修饰吗?一个句子两个动词｛BE动词,less｝,不是中国式英语吗? 雅思听力写法NO MORE THAN THREE WORDS OR A NUMBER 那若答案为Less than 65 words违规吗? 关于less和fewer.I have three pens less than him.pen是可数名词,为什么这里不是I have three pens fewer than him. I'll stay here no less than three days.I'll stay here not less than three days. 请问这两句怎么翻,有什么区别? He exercises( less than three times a week.)对画线部分提问 He exercises( less than three times a week.)对加括号部分提问 six less than three times the square of y 的数学表达方式 帮忙翻译下这句话：less than three times as dense as water Still,that is less than half the levels in two thoudsand three.帮我翻译一下. Lseeon Three is less important than Lesson Two同义句：Lesson Three is _____　_____ _____ _____ Lesson Two. is much less than可不可以引申为不如的意思 Greater Than Less Than 歌词 we build our lives,a day at a time,often putting less than our best into the buildingoften 后面为什么是进行时阿,这是什么用法?急.