So any time I draw these molecular orbitals, I do my best, and I'm not always perfect, yet trying to make this energy different exactly the same for the anti-bonding orbital being raised, versus the bonding orbital being lowered.

所以我在画这些分子轨道的时候，虽然不是很完美，但我总是尽量,让反键轨道引起的，能量升高和成键轨道。

麻省理工公开课 - 化学原理课程节选

Perfect chocolate? Whatever I'm eating at the moment,

经典的巧克力？无论现在我吃的是哪一种，

喜欢巧克力吗？ - SpeakingMax英语口语达人

He doesn't literally mean even that when we talk to ourselves somebody pats us on the head " and says, "Good man. Perfect. I'm very proud."

他更不是在说,当我们自言自语时,会有人拍拍我们的头,说“做的好，非常棒，我为你自豪“

耶鲁公开课 - 心理学导论课程节选

OK, once it gets to the end of that, what's it going to do? It's going to come down here and, oh. What's that doing? Well I cheated when I started. I said, somebody's giving me a perfect square, I'm looking for the square root of it. But suppose 15 I gave this thing 15, and asked it to run.

好，一旦到了循环的最后，程序会去做什么？程序会跳到这里来,噢，这是干什么的？好吧,当我开始的时候我有点小作弊的意思,我说过，我得到了一个完美的平方数,我要求这个数的平方根,但是假设下我得到的数是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, I'm actually in the perfect place.

嗯，我实际上已经占据了很好的位置。

只要是音乐就好 - SpeakingMax英语口语达人