Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.
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With lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野
In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.
The future survival of the bald eagle is still an important American ecological concern.
Comets are still regarded with awe by some people.
Ella Grasso, elected governor of Connecticut in 1974, supported the enactment (given, granted) of a freedom-of-information law.
