... up in the air 悬而未决;慌乱;非常激动; 发怒;非常高兴 wing the air (鸟等)在空中飞翔 with an air of 带着...样子 ...
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the air wing 凌空羽翼
A mallard suddenly took wing, rising steeply into the air with an angry squawk.
一只野鸭突然展翅飞起,愤怒地尖鸣一声直冲天空。
When the shape of a wing creates more lift from the air passing around it than it does drag (air resistance), an aircraft will fly.
当鱼鳍的形状通过流动的空气产生比其(空气)阻力更多的升力时,飞行物便能飞翔。
A plane flies because air flowing more slowly under its wing exerts more pressure than the faster-moving air flowing above.
飞机之所以能飞翔是因为机翼下方的气流缓慢,对机翼上方的快速流动的空气施加更多的压力。
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