And also, for those of you that did sign up for the pizza forum tonight, that's going to be at 5 o'clock, it's in room 56-502, so we'll see some of you tonight for that as well.

另外，对于报名参加,今晚的披萨聚会的同学，请注意聚会的时间是五点整，地点在，56-502，房间，因此，我们在今晚还会见到你们中的部分同学。

麻省理工公开课 - 化学原理课程节选

The bond, it turns out, 5° is 104 . 5 degrees, that h o h bond.

这个键即，ＨＯＨ键角，是104。

麻省理工公开课 - 化学原理课程节选