“你手臂上没搭条餐巾？”朱莉调侃道。

"No napkin over your arm?" asks Julie playfully.

youdao

如果你失去了一只手，那会促使你手臂剩下的部分长15厘米。

If you lose a hand, it will cause the stump of your arm to grow by 15cm.

youdao

该手表我们自然而然会称之为指甲表，你仅需稍稍瞥一下你手臂就能核对时间。

The Nail Watch, as they naturally called it, allows you to check the time with just a quick glance over your arm.

youdao

So every time you move your arm, that area of the brain with green line starts, become active in a particular way.

因此，每当你运动手臂的时候，大脑中绿线的部分开始工作，以特定的方式活跃起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

What this does then is it paralyzes you because your motor neurons-- You send the command to your arm to stand, to lift up.

结果就是它能使你瘫痪,因为你的运动神经元,你想要举起手臂

耶鲁公开课 - 心理学导论课程节选

You can see this region here is going to develop into one of the upper limbs, the arms here and the back is different from the front, the spinal cord is developing in the back, whereas, the structures that become our intestinal tract is developing on the other surface.

你能看到这个区域,将会发育成为上肢,这里是手臂,而且身体前后也有不同,脊椎正在后背发育,另外,会成为我们肠管的结构,也在另一个表面发育着

耶鲁公开课 - 生物医学工程探索课程节选