radar
US /ˈreɪ.dɑːr/
UK /ˈreɪ.dɑːr/
1.
雷达
a system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of high-frequency electromagnetic waves that are reflected off the object and detected by the radar receiver.
:
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The ship's radar detected an approaching vessel.
船上的雷达探测到一艘正在靠近的船只。
•
Air traffic controllers use radar to monitor planes.
空中交通管制员使用雷达监控飞机。
2.
雷达设备, 雷达系统
the equipment used for radar detection.
:
•
The police car was equipped with a speed radar.
警车配备了测速雷达。
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They installed new radar systems at the airport.
他们在机场安装了新的雷达系统。
3.
关注范围, 注意范围
something that is within one's range of awareness or attention.
:
•
That issue is not on my radar right now.
那个问题现在不在我的关注范围内。
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Keep him on your radar; he might be a good candidate.
把他放在你的关注范围内；他可能是一个好候选人。