formaldehyde solution

例句：

1. 1. This formaldehyde solution is used to sterilize surgical instruments.
   这种甲醛溶液用于消毒手术器械。
2. 2. The chemical engineer explained the process of making formaldehyde solution.
   这位化学工程师解释了制造甲醛溶液的过程。
3. 3. The formaldehyde solution was tested for its effectiveness in killing bacteria.
   对甲醛溶液的杀菌效果进行了测试。