half a million和a half million 有什么不同他们都是指50万吗?

a half million half a million是什么意思 half a million和a half million 有什么不同他们都是指50万吗? half a million of trees还是half a million trees half a million什么意思 half a million什么意识 more than half后面是a million 还是 of million over half a million games are sold . seventeen and a half million 是多少 25 and a half million阿拉伯数字是多少? 英语翻译over half a million games five and a half million 怎么翻译 one and a half million 是多少?为什么如题 1,500,000（150万） 是one and half million还是one and a half million six and a half million为什么是650万 关键是a half 在表示数量时怎么用 单项选择 of the boys enjoy the movie,but have no interest in it A Half;the other half单项选择 of the boys enjoy the movie,but have no interest in it A Half;the other half B Halves;the other half C Half ;the other halves D Halves;the other hal 10,500,000用在英语怎么表示?可以说是 ten and a half million吗? five and a half million square kilometres ,是550万还是550百万