flak

n. 高射炮、對空炮火、廣告、宣傳

學術名詞

• 地面炮火：航空太空、機械工程
• 防彈衣：航空太空

英文釋義

1. a slick spokesperson who can turn any criticism to the advantage of their employer
2. intense adverse criticism
3. artillery designed to shoot upward at airplanes