准备的重要性要一讲再讲。
你听我说完再讲话。
“是的,我想你最好别再讲了。”鹰头怪说,爱丽丝求之不得。
"Yes, I think you'd better leave off," said the Gryphon, and Alice was only too glad to do so.
All right, a couple of closing points before we leave this, things I would like you to remember.
好了,我们讲完之前再总结一下,我希望你们能记住的要点。
All right. Now in giving the example, I've gotten a little bit ahead of myself, so let me reprise a bit.
好,刚刚讲例子,可能讲得有点快,所以我再重复一下。
So we'll talk specifically about drawing Lewis structures and then about formal charge and resonance, which are within Lewis structures.
因此我们会专门讲一讲,如何来画路易斯结构,然后再讨论形式电荷与共振论,它们也属于路易斯结构的范畴。
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