billon怎么读，billon什么意思，billon短语和例句

1.We could further assume that the two stars have the same mass of 1.5 times of the sun's mass, or 297 thousand billion billion billon kilogram.

我们还可以进一步假定，这两颗星的质量相同，都是太阳质量的1.5倍，即都是297万亿亿亿公斤。

2.We could further assume that the two stars have the same mass of 1.5 times of the sun's mass, or 297 thousand billion billion billon kilogram.

我们还可以进一步假定，这两颗星的质量相同，都是太阳质量的1.5倍，即都是297万亿亿亿公斤。

3.The firm raised $3.25 billion for its tenth fund, compared to a target of just $3 billon.

其第10支基金募资32.5亿美元，明显高于仅30亿美元的目标。