1907年怎么读?more than 54 million要加s吗?

1907年怎么读?more than 54 million要加s吗? more than nine million american More than a million of the 5 million Americans - 怎么翻译 about 24 million可以等架于 more than 24 million吗 China’s Project Hope has s 1 more than 2.5 million poor stud several million要不要加S? thousand hundred million加s吗 million什么时候加S 对加引号部分提问：The last dinosaurs died "more than 60 million years Google's search service has more than 63 million Indian user more than half后面是a million 还是 of million more than a million miles 歌词