作业帮one-million dollar还是one-million dollars
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/17 16:43:29
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one-million dollar还是one-million dollars
one-million dollar还是one-million dollars
one-million dollar还是one-million dollars
one-million dollar.one million dollars.
和three years old,three-year-old是一样的.加了连字符就用单数.