extinguishing medium

基本解釋

EXTINGUISHING MEDIA : Water spray, dry chemical powder, foam or carbon dioxide.
滅火劑：霧狀水，干粉，泡沫或二氧化碳。
08translation.cn
Fire protection. Fire extinguishing media. Halogenated hydrocarbons. Part 1 : specification for halon 1211 and halon 1301.
防火。滅火介質(zhì)。鹵代烴。第1部分：聚四氟乙烯1211和聚四氟乙烯1301規(guī)范。
However, the idea of children hasn't been accept for a long time, another challenge come across, that is childhood is extinguishing because of the utilization of electronic media.
遺憾的是，人類社會有關(guān)兒童的觀念剛確立不久，就遇到了挑戰(zhàn)——許多專家認為“童年”正因電子媒介的使用而消逝。