李肇星表示，中俄关系今年又取得可喜成果。

Li Zhaoxing said that China-Russia relations have yielded pleasing results this year.

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但同时又表示不会尝试每一种实验性治疗。

But he said he was not going to pursue every experimental treatment that came along.

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“他们可以到这里来，或者我们进行视频通话，又或者他们可以接受我的声明”，他表示。

"They can come here, or we can have a video linkup, or they can accept a statement of mine," he said.

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But since in drawing Lewis structures actually, in some cases you do, you can draw a dotted line that means a 1 and 1/2 bond, but most in most cases, we just draw out both resonance structures, and the way that we say it's a resonance structure is that we put it in the brackets and we put an arrow between it.

但是由于在画路易斯结构时,其实，在某些情况下是可以的，你可以画一条虚线来表示一又二分之一键，但是在多数情况下，我们就把两个结构都画出来，而我们说这是一个共振结构的表示的方法是,把它们放在括号里，并在中间放一个双箭头。

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