这可以理解为因为氧化作用失去电子后，剩下电子收到原子核的吸引作用增强，电子结合能增强；反之，还原作用得到电子，所有电子收到的吸引减弱，结合能减弱。 You could obtain just the transcript with the Net portal. Click Recordings from your left menu, Track down the recording and click on to the download icon. You'll get the following choices: 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现... https://getidealist.com/story22234153/indicators-on-chheap-pets-online-you-should-know