It is Monday morning, and I am going to write this column before I start to get the house back to its weekday self.
现在是星期一的早晨,我要先把这个专栏写完,然后去把房子收拾一遍,让它恢复到平时的状态。
It's a rule that dates back to the playgroud: Once you start dissing a boy's mother, things are going to get ugly.
这是可以追溯到很久的游戏规则:一旦你开始对男孩的母亲不敬的话,事情将会变得令人厌恶。
If you are interrupted, pleasantly explain that you don’t have time right now and start making the motions of going back to work. The interrupter will often leave.
期间即使有人打扰你,你也可以平静的解释给他们,你现在没有时间,然后你回到你的工作上。
To start out I'm going to go back to the thinking about development a little bit, embryonic development, and show you a picture here.
作为这节课的开始,我先稍微回顾一下,一些关于发育过程的内容,先说胚胎发育,这里有张图
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