Depending on what kind of chemistry you go in to, you might accidentally memorize parts of the table, which is fine, but what you really want to know how to do is know how to use the periodic table.
取决于你今后从事哪个方向的化学研究,你可能会不经意地记住周期表的某一部分,这就够了,但是要注意,你真正需要知道的是如何使用元素周期表。
You will never in this class have to memorize anything about the periodic table.
这门课并不要求大家去背元素周期表,一点都不要求。
It eventually sticks in you but you shouldn't try to memorize everything.
它最后会铭刻在你的脑子里,但是你不应该试着记住所有的东西
Now the bases, and you don't need to memorize the structures of these I'm going - I'm describing the whole molecule to you in its molecular detail and then we're going to simplify it down to a version that we can talk about more easily.
现在讲碱基,你不需要记住这些结构,我将给你们详述整个分子,的结构细节,然后我们把它简化为一个模板,使我们更容易讨论
It's not how well you can memorize facts: John in fact, I think both John and I are a little sensitive to memory tests, given our age, right John?
这实际上不是考察你们的记忆能力的:,实际上,我想我和,因为我们年纪的原因,对记忆力测试都有点敏感,对不对John?
In the early days when there are four or five formulas, you could memorize all of them and you can try each one of them until something works, but after a couple of weeks you will have a hundred formulas and you cannot memorize all of them.
刚开始我们只会涉及到四,五个公式,你可以全部记下来,你可以一个一个试,直到解出答案,但过了几个星期,你就已经学了一百多个公式了,你没法全部记下来
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