郑音，本指春秋时郑国的音乐，后多指俗乐。
“目前的警戒水平”高于2002年，第20战斗机飞行中队指挥官，空军准将郑在卜(音)表示。
The alert level "is now at a higher class" than in 2002, says Air Force Brig. Gen. Jung Jae-bu, commander of the 20th Fighter Wing.
亚太地区的人发“L”音都比较困难，郑医师说。
People from the Asia Pacific region have difficulty in pronouncing the "l" sound, says Dr Jung.
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