radar
US /ˈreɪ.dɑːr/
UK /ˈreɪ.dɑːr/
1.
雷達
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.
船上的雷達偵測到一艘正在靠近的船隻。
•
Air traffic controllers use radar to monitor planes.
空中交通管制員使用雷達監控飛機。
2.
雷達設備, 雷達系統
the equipment used for radar detection.
:
•
The police car was equipped with a speed radar.
警車配備了測速雷達。
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They installed new radar systems at the airport.
他們在機場安裝了新的雷達系統。
3.
關注範圍, 注意範圍
something that is within one's range of awareness or attention.
:
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That issue is not on my radar right now.
那個問題現在不在我的關注範圍內。
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Keep him on your radar; he might be a good candidate.
把他放在你的關注範圍內；他可能是一個好候選人。