proof spirit 标准酒度 ; 规定酒精 ; 合度酒精
acid proof spirit varnish 耐酸挥发清漆 ; 抗酸挥发清漆
proof spirit varnish 抗酸挥发清漆
N (in Britain and Canada) a mixture of alcohol and water or an alcoholic beverage that contains 49.28 per cent of alcohol by weight, 57.1 per cent by volume at 51°F: up until 1980 used as a standard of alcoholic liquids (英国、加拿大)酒精浓度标准; 1980年前，该标准为重量的49.28%为酒精和51华氏度温度下容量的57.1%
And then it deals with the ancient Greece 's traditional math: emphasis on both proof and scientific spirit.
再论及古希腊数学传统：演绎证明与科学精神。最后阐述东西方不同的文化传统对数学教育有不同的影响。
With a spirit ill fitted to sustain such proof, trembling and feeble through its tenderness, I have everywhere sought sympathy, and have found only repulse and disappointment.
带着没法承受这类现实的感情，在温顺的颤栗和虚弱中，我在海角天际寻觅知音，而得到的却只是憎恨与失望。
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