billions of怎么读?

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  • billions of什么意思解释?

    数以亿计的;亿万...
  • billions of造句

    Biological systems have been doing this for billions of years.生物系统亿万年来一直都是这样。Billions of pounds are riding on the outcome of the election.几十亿英镑都取决于这次选举的结果。Israel accepted billions of dollars in war reparations.以色列得到了几十亿美...