| 释义 |
air traffic control
noun uncountable [+ sing/pl verb]
■the activity of managing aircraft from the ground as they take off, fly and land, or the people who do this 空中交通管制（人员）•Air traffic control at Heathrow have given us clearance to land in 20 minutes.希斯洛机场的空中交通管制人员已经准许我们20分钟后降落。 |