When Betsy Wiggins opened her front door and saw the woman in a full black face veil coming up her flower-lined walkway, she wondered if she had done the right thing.
当贝特西·威金斯打开前门，看到一位戴着全黑面纱的妇女穿过两侧种满鲜花的过道走上前来，她还在想她是不是做对了。
What you saw, what we've done a lot of is drawing the electron configurations for different atoms, we can do the same thing for a molecule.
你们会看到，我们已经画过很多，不同原子的电子构型，我们也可以对分子做同样的事情。
What you saw, what we've done a lot of is drawing the electron configurations for different atoms, we can do the same thing for a molecule.
你们会看到，我们已经画过很多，不同原子的电子构型，我们也可以对分子做同样的事情。
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