名词
中文翻译：被遮蔽的螺旋桨
同义词：
['shrouded propeller', 'shrouded propeller', 'shrouded propeller']
例句：
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1. The old ship's engine was a shrouded propeller that could be seen from a distance.
这艘旧船的引擎是一个可以远观的被遮蔽的螺旋桨。
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2.The pilot had to keep the shrouded propeller pointed in the right direction while flying over the mountain range.
飞行员在飞越山脉时，必须保持被遮蔽的螺旋桨指向正确的方向。
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3. The new model airplane has a shrouded propeller that makes it more efficient and quieter than its predecessors.
新型飞机模型有一个被遮蔽的螺旋桨，比前一代更高效、更安静。