名词
中文翻译：登机日期
同义词：
['boarding date', 'boarding day', 'embarkation date']
例句：
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1. We needto make sure the flight is on-time for our on-board date.
我们需要确保航班准时，以符合我们的登机日期。
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2. The airlines have announced that they will be implementing stricter safety measures during this on-board date.
航空公司宣布，在这次登机日期期间将实施更严格的安全措施。
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3. The passengers were informed that there would be a delay due to the on-board date conflict with another event.
乘客被告知，由于登机日期与其他活动冲突，将会有延误。