flame shield

例句：

1. 1. The engineer designed a flame shield to protect the workers from the intense heat.
   工程师设计了一道火焰屏障，以保护工人免受高温的伤害。
2. 2. In the construction site, a flame shield was installed to prevent the spread of fire.
   施工现场安装了一道火焰屏障，以防止火灾蔓延。
3. 3. The firefighters used a flame shield to extinguish the blaze at the scene.
   消防员使用火焰屏障在现场扑灭了大火。