mixer tap
noun [ C ] UK uk/ˈmɪk.sə ˌtæp/ us/ˈmɪk.sɚ ˌtæp/
冷热水混合龙头
a device for controlling the flow of water, so that hot and cold water come out of the same pipe, but the flow of each is controlled separately so that the temperature of the water coming out can be changed