I had dated this guy for only a month.
我只和他约会了一个月。
I broke up with my girlfriend and dated this girl for a while, but we didn't last.
我和女朋友分手,和那个女孩在一起,但是这段关系也没有维持很久。
My mother and I have dated this memory to a family holiday in Bournemouth when I was 18 months old.
我和母亲把这段回忆定位在我只有18个月大,一家人在伯恩茅斯度假的时候。
So, I said I'd tell you a little bit more about where this Bohr radius came from, and it came from a model of the atom that pre-dated quantum mechanics, and Neils Bohr is who came up with the idea of the Bohr radius, and here is hanging out with Einstein, he had pretty good company that he kept.
我要告诉你们,波尔半径是从哪里来的,它起源于前量子力学时代的,原子模型,尼尔斯,玻尔提出了,波尔半径的概念,这是他和爱因斯坦在一起,他们是好朋友,当我们讨论这个原子模型时你们要记住的是,在1911年。
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