我是一个很讨厌把事情复杂化的人，比如我的书桌，一点多余的东西我都不想让它出现，再看现在，开学两周，就已经加了十多个群了，功能重叠的群就有两三个，like what’s the point[微笑]我要翻个通知还得n个群换着搜聊天记录，尤其我这种喜欢把事情集中处理的人，真nm 醉了，它不仅占据了我的空间，而且严重影响了我的心情。今天也是个暴躁人[ok]

It's the first time that I have spent the Teacher's day in QC. To be honest, it offered me plenty of chance to improve myself from various aspects, although there are also a great number of tiredness, hopelessness, complaints and so on. No matter what, the journey is fantastic and meaningful. Actually nobody knows what will happen in the future, what we can do is to hold the present. Enjoy the present, and try your best and hold on. Beautiful matters will come one day.

The electric swivel chair is one of the astronaut’s anti-vertigo training, and it is also used to test the astronaut’s vestibular function. During this training, the astronaut needs to blindfold, fix the body, and continuously rotate on the electric swivel chair. It takes 15 minutes to qualify, and ordinary people can't do it for 1 minute. The electric swivel chair can rotate 360 ​​degrees clockwise and counterclockwise, and rotate at a high speed of one circle every 2.5 seconds. At the same time, the swivel chair can also swing up and down, left and right.