gas-sensitive metal

例句：

1. 1. Thegas sensor in the car detects the presence of harmful gases.
   汽车中的气体传感器检测有害气体的存在。
2. 2. This material is gas-sensitive and can change color when exposed to certain chemicals.
   这种材料是气体敏感的，当暴露在某些化学物质中时会变色。
3. 3. The new gas-sensitive metal is expected to reduce energy consumption in electronic devices.
   新型气体敏感金属预计将减少电子设备的能量消耗。