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 may down load just the transcript in the World-wide-web portal. Click Recordings from the still left menu, Identify the recording and click around the obtain icon. You'll get the following solutions: Thanks for posting your concern list... https://exotictortoises.com/