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'll be able to obtain just the transcript in the Website portal. Click on Recordings from the still left menu, Identify the recording and click over the down load icon. You'll get the subsequent possibilities: Many thanks for submitting ... https://total-bookmark.com/story20224752/getting-my-chheap-pets-online-to-work