名词
中文翻译：外板
同义词：
['outside engine', 'outboard motor例句：1. The boat was pulled out of the water by a strong current.（这艘船被一股强劲的水流拖出了水面。）']
例句：
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1. The boat was pulled out of the water by a strong current.
这艘船被一股强劲的水流拖出了水面。
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2.The captain had to take extra care when operating the outboard motor.
船长在操作舷外机时必须格外小心。
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3.The outboard motor provided a lot of power for the boat's propulsion.
舷外机为船只的推进提供了大量动力。