实验室里两只小灯泡.一只灯泡上标有“3.8V”字样,正常工作时电阻约为12Ω;另一只灯泡上标有“0.2A”字样,额定电压模糊不清.小明和小红分别对两只灯泡的额定功率进行了测量.
Our parents are always c____ about our health and happiness, no matter where we are.