noun 下载 🔗分享 欧姆 In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Symbol: Ω Examples : "The resistor is marked with 100 ohms, meaning it will offer a specific amount of resistance to the flow of electricity in the circuit. " 这个电阻标着100欧姆,意思是它会对电路中电流的流动产生一定的阻碍作用。 physics electronics unit technical device science 与AI对话词汇游戏阅读练习