数以亿计的;亿万;

As a slowly contracting dwarf the star may remain luminous for billions of years.
收缩较慢的白矮星仍会发光几十亿年.
来源:词典精选例句Billions of dollars are being spent to prevent and treat H . I. V.
数以亿计的美元正在不断的投入到防治艾滋病的工作中.
来源:互联网摘选Microseconds later the universe inflated to become billions of miles wide.
一百万分之一秒之后,宇宙就膨胀到几十亿英里宽.
来源:互联网摘选
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