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78645这个数用英语怎么说?A.seventy-eightthousandsixhundredandforty-fiveB.seventyeightthousandsixhundredandforty-five为什么seventyeight不用加连字符?

题目详情
78645这个数用英语怎么说?
A.seventy-eight thousand six hundred and forty-five
B.seventy eight thousand six hundred and forty-five
为什么seventy eight不用加连字符?
▼优质解答
答案和解析
B 因为seventy eight 后面还有个thousand 如果是seventy eirht在句子最后面的话,就要加符号咯