动词短语
中文翻译：在飞机上
同义词：
['on board', 'in the cockpit']
例句：
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1. We decided to take a break and go for a walk on board.
我们决定休息一下，去机舱外散步。
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2. The pilot had to make an emergency landing on board.
飞行员不得不在机舱内紧急着陆。
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3. She was so excited that she couldn't wait to get on board the plane.
她非常兴奋，迫不及待地想登上飞机。