-teen,十几 -ty,几十 hundred,百 thousand,千 million,百万 billion,十亿
13--- thirteen 40 --- forty 91--- ninety-one 100--- one/a hundred
1,000--- one/a thousand 10,000 ---ten thousand
100,000--- one hundred thousand 1,000,000--- one/a million
1,000,000,000--- one/a billion one/a thousand million
