动词
中文翻译：离开
同义词：
['disembark', 'dismount', 'debark例句：1. The captain ordered all passengers to off-board the ship at once.（船长命令所有乘客立刻下船。）']
例句：
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1. The captain ordered all passengers to off-board the ship at once.
船长命令所有乘客立刻下船。
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2. After a long journey, she finally off-boarded the train and walked home.
经过长时间的旅程，她终于下了火车，步行回家。
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3. The pilot had to off-board the aircraft before it could land safely.
飞行员在飞机安全着陆之前必须下飞机。