national transportation safety board
📖 释义
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美国国家运输安全委员会
💬 例句
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The National Transportation Safety Board conducted a thorough investigation into the cause of the plane crash.
国家运输安全委员会对飞机失事的原因进行了彻底调查。
The National Transportation Safety Board conducted a thorough investigation into the cause of the plane crash.
国家运输安全委员会对飞机失事的原因进行了彻底调查。