The principal dwelt on traffic safety in his talk.
校长没完没了地谈论交通安全问题。
The principal dwelt on traffic safety in his talk.
校长在讲话中强调了交通安全。
Traffic safety on our common with, let the traffic safety with you and I peer.
交通安全靠我们大家共同遵守，让交通安全伴你我同行。
Effective inland waterway management system was the important guarantee of traffic safety on waterway.
有效的内河航道管理系统是水上交通安全的重要保障。
Air traffic controllers, considered essential safety personnel, would remain on the job.
被认为对个人安全至关重要的空中交通管制员，将继续保留工作岗位。
Air traffic controllers, considered essential safety personnel, would remain on the job.
被认为对个人安全至关重要的空中交通管制员，将继续保留工作岗位。
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