八千万英语

1.3 (one point three) billionseven hundred and eighty milliontwenty-three billion5万千=5千万=50,000,000=fifty milliontwenty point three billion

700000000 8 5 1 one hundred thousand 9000 4 ten million million 230. 8 millions of 8 millions.

680,000,0001000以上的数：从后向前数，每三位数加一“，”（千分位）；第一个","前为 thousand，第二个“，”前为million，第三个“，"前 为billion所以，应译成 six hundred and eighty million.

xin billion eight thousand million