名词
中文翻译：翼柄
同义词：
['wing', 'winglet', 'keel']
例句：
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1.The airplane's wing butt is made of lightweight aluminum alloy.
这架飞机的翼柄是由轻质铝合金制成的。
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2.The ship's keel was reinforced with steel plates to increase its stability.
这艘船的龙骨被加固了钢板以增加其稳定性。
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3. The wings of the bird are shaped like a wing butt, which helps it fly efficiently.
鸟的翅膀形状像翼柄，这有助于它有效地飞行。