百hundred, 千thousand, 万ten tousand, 十万a hundred thousand, 百万million, 千万ten million, 亿a hundred millionthree billion billion是十亿十万one hundred thousand,百万million,千万ten million,亿billion,十亿ten billion十万是 one hundred thousand二十万就是two hundred thousand 一百万是 a million 一千万是 ten million 一亿是 a hundred million 十亿是 a billion 百亿是 ten billion 千亿是 a hundred billion