然后我们再开始讲元素周期表，我们会看到很多周期性规律，比如电离能，电子亲和能，电负性以及原子半径。
We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.
我讲英语很流利，因为我的父亲和母亲在欧洲学习。
I speak English very fluently because both my father and mother studied in Europe.
我最喜欢的语言是英语，但我们的语言是法语，但我讲英语很流利，因为我的父亲和母亲在欧洲学习。
My favourite language is English but our language is French but I speak English very fluently because both my father and mother studied in Europe.
我最喜欢的语言是英语，但我们的语言是法语，但我讲英语很流利，因为我的父亲和母亲在欧洲学习。
My favourite language is English but our language is French but I speak English very fluently because both my father and mother studied in Europe.
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