我需要给你打手枪来做一个小实验，我正在做jo

Video screenshots

• 00:10
• 00:40
• 01:10
• 01:41
• 02:11
• 02:42
• 03:12
• 03:43
• 04:13
• 04:43
• 05:14
• 05:44
• 06:15
• 06:45
• 07:16
• 07:46

I've been in the library since 9 a.m. and to be honest with you, I'm just addicted to studying. I want to learn as much as possible! Today, I figured that you could give me a lesson in something.

• 0
• 00:00