• So it looks a lot less messy if we just draw our Lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there.

    看起来整洁不少,如果我们把氰化氢的路易斯结构画成这样的话,这样我们就之间的单键和碳与之间键,然后还有一对孤对电子氮这里。

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  • Use you Pencil Tool (n) to draw a small circular shape.

    使用铅笔工具(n)制定一个圆形形状

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  • N. and for Conservation International, an environmental group, said it was hard to draw a direct comparison with the last detailed survey on mammals, in 1996.

    主任扬·博尔全球哺乳动物做出评价对于一个国际环保组织很难哺乳动物做出直接比较详尽调查

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  • N. and for Conservation International, an environmental group, said it was hard to draw a direct comparison with the last detailed survey on mammals, in 1996.

    主任扬·博尔全球哺乳动物做出评价对于一个国际环保组织很难哺乳动物做出直接比较详尽调查

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