flack
n. 高射炮; 對空炮火; <美俚>(劇團、公司等的)宣傳員; 廣告
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
Once the cold water enters the flack, the vapor pressure falls quickly.
一旦冷水進入長頸瓶, 水氣壓就迅速下降.
A test device for flack flowing systems based on virtual instrument technology is developed.
研製基於虛擬儀器技術的高炮隨動系統效能檢測裝置.