In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.
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Creamoftartar酒石,aweakacid,canbeaddedtoeggwhitestohelpthemfoam泡沫whentheyarebeaten
The controls of most modern airplanes can be operated either manually or automatically.
Some children display an unquenchable 难以抑制的 curiosity about every new thing they encounter.
The fear of smallpox, which terrorized the eighteenth century, has no analogy(likeness) today.
Comets are still regarded with awe by some people.