| 1. | Nine minus four is five . take four from nine is five . 九减四得五。
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| 2. | He seems to have mistaken a plus for a minus . 他似乎把正号误作负号了。
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| 3. | The temperature is minus twenty degrees . 温度是零下二十度。
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| 4. | The temperature dropped to minus ten degrees centigrade . 温度降到摄氏零下十度。
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| 5. | He came back minus an arm . 他失去了一只胳膊回来了。
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| 6. | White light minus blue light is yellow or red in hue . 白光中除去蓝光就呈黄色或红色。
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| 7. | He was minus fifty dollars . 他花了五十块钱。
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| 8. | Eight minus four equals four . 八减四等于四。
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| 9. | the limit of cold is reached at approximately minus -273℃. 冷限接近273。
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| 10. | Seven minus four is three . 七减四等于三。
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