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| NOUN |
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| /ˈzɪərəʊ/ |
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| 1 | C/U the number 0 （数字）零 |
| If x is zero, y must be 3. 如果x为0，y肯定是3。 |
| ‘He earns about £100 a day.’ ‘Add a couple of zeroes to that!’ “他一天大约能赚100英镑。”“得再加两个0！” |
| | 1a | U a value equal to zero on a scale （刻度上的）零点 | | Set the meter at zero. 把计量表调到零。 | |
| | 1b | U the temperature on the Celsius scale at which water freezes （摄氏温标上的）零度（即水结冰时的温度） | | above/below zero The temperature was forty below zero. 温度是零下40摄氏度。 | |
| | 1c | used for showing that there is no amount at all of something 没有的；零的 | | We’ re likely to see zero growth in the market this year. 今年的市场可能是零增长。 | | astronauts in zero gravity 无重力状态下的宇航员 | |
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| 2 | U informal nothing at all 根本没有；全无 |
| Our chances of success are zero. 我们成功的可能性等于零。 |
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| 3 | C informal an insulting word for someone who has no qualities that impress you （侮辱性用语）无足轻重的人 |
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