one billion和a billion这两种读法应该都可以吧?

one and one-half billion和one and a half billion那一句常用啊 one billion和a billion这两种读法应该都可以吧? one and a third billion是什么意思? the brain contains over one hundred billion cells-that is a billion with a b. ONE BILLION CUSTOMERS怎么样 hundred、thousand、million、billion、trillion等词前加a加andhundred、thousand、million、billion、trillion这几个词前加a和加one所表达的是不是一样?比如a hundred是不是可以表示100这个数量. 英语翻译A rainstorm increased the amount of water stored in State J reservoirs from 124 billion gallons to 138 billio gallons.If the storm increased the amount of water in the reservoirs to 82 percent of total capacity,approximately how many bill ONE BILLION 有几个零? one and one half billion 是多少? $1,000,000,000,000读作 a thousand billion, one thousand billion(美作:a trillion,one trillion)$1,000,000,000,000 是读作a thousand billion, one thousand billion(美作:a trillion,one trillion),还是读作one million million billion is a billion is a billion is a billion这句话有意义吗? there are__over one billion user A.good B.well C.better D.best 英语翻译Africa is one of the few places where China runs a substantial trade deficit,USD 5.16 billion against a total trade surplus of USD 13.14 billion. a billion and a half a billion million与a million billion 一样吗 three-and-a-half billion a hundred million billion是多少? And the plan calls for one hundred billion dollars a year in aid to poor nations to deal with climate change.主要解释一下这个calls for和in aid to