bluefiresky0
8,612,678,216用英语说是：eight billion six hundred and twelve million six hundred and seventy-eight thousand two hundred and sixteen。
枫糖17苹果派
一:one二:two三:three四:four五:five六:six七:seven八:eight九:nine十:ten十一:eleven十二: twelve十三: thirteen十四: fourteen十五: fifteen十六: sixteen十七: seventeen十八: eighteen十九: nineteen二十: twenty
优质英语培训问答知识库
