奇力集成吊顶价格:1.every+基数词+复数名词什么意思？

every+ 基数词+ 复数名词=every+ 序数词+ 单数名词
作“每(多少)”解
如： every three days 每三天或每隔两天
相当于 every third day
"every other+单数名词”
意思是“每隔一。。。”
如：every other day 每隔一天 every other tree 每隔一棵树
every few+复数名词”
意思是“每隔几。。。”
如：every few days（每隔几天）

every+基数词+复数名词=every+序数词+单数名词译为每......for example;I search the Internet every tow days=I search the internet every second day.可译为：我每两天上一次网。
every+other+单数可数名词 可以译为 每隔一......
例：I see him once every other day.
翻译为：我每隔一天见他一次。
every+few+可数名词复数 译为：每几......

例：every few students 每几个学生
总之，every+基数词+A=erevy+序数词+A=every+other+A-1
都可译为每隔A-1.......

1.every + 基数词 + 复数名词:表示"每隔......''的意思,可指时间具体位置和里程间距.
例句: (1).He writes to his parents once every two weeks.
他每两周给父母写封信.

(2).We have history class every three days.
每隔三天我们上一节历史课.

every+ 基数词+ 复数名词=every+ 序数词+ 单数名词
every other+单数名词
every few+复数名词
这是语法