一个半月的时间英文怎么说 是 one and a months' 还是 one and a half months

问题描述:

一个半月的时间英文怎么说 是 one and a months' 还是 one and a half months
是 one and half months' 还是one and a half months' 问题之前没检查,有点错误,呵呵

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