I'm not going to writegiven threemoles of hydrogen at one bar and three degrees, blah,bla I'm going to write it in a compact notation.

我不会写“给定1巴和多少度下,的三摩尔氢分子之类,我会把它写成一个紧凑的形式。

麻省理工公开课 - 热力学与动力学课程节选

I'm going to write it like this three moles of hydrogen which is a gas one bar 100 degrees Celsius.

我会写成这样：,三摩尔氢分子，气体,1巴，100摄氏度。

麻省理工公开课 - 热力学与动力学课程节选

Within 20 degrees of separation from you initial smile to the three people, the entire world will be smiling.

只需要20度的分隔,从你用笑容感染三个人开始，全世界就会笑起来。

哈佛公开课 - 幸福课课程节选

So again, if we think about that shape of that carbon atom, it's going to be trigonal planar, 120° it's going to have bond angles of 120 degrees, because we have this set up of having three hybrid orbitals.

如果我们考虑碳原子的形状，它是平面三角形，键角是，因为我们有这三个杂化轨道。

麻省理工公开课 - 化学原理课程节选