over the years 的词性是什么

over the years 的词性是什么 a longer life span means that the nation ' s elderly population is bound to expand significantly over the next 50 years.这句话中的over是什么意思?词性是? he is over 60 years old.句子中over的词性是什么?在线等 over the years 的中文意思是什么? over the years同义词 over的词性In 1929,three years after his flight over the North Pole,the American explorer,R.E.Byrd,successfully flew over the South Pole for the first time.his flight over the North Pole这个over应该是动词吧,successfully flew over the South over a hundred years ago 中over是什么词性? 英语翻译是people from all over the world还是people all over the world?有什么区别?all over 的词性分别是什么? Cheng Long _(make) some great movies over the years用has made 的原因是因为后面的over the years吗?那么over the years又为什么用完成时呢?是因为它表示“一段时间”?囧了 英文over the last two years 是“在过去的两年里”的意思吗 over the years 等于什么? over there中over的词性是什么 口语：game over .对么?对的化,over是什么词性?是game over.对,还是game is over. over the years是什么意思?需要最准确的答案~ The man looks over forty years old 的同义句 1.求over接一段时间的用法,比如over three days,over the last 2.as well as 是什么词性, in the past 3 years 和 over the past 3 years的区别 all over again这三个词各是什么词性?我想知道的是词性,不是意思,