What's the nature of chemical bond?
什么是化学键的本质？
She said: "Our match is made in heaven, there is a chemical bond between us."
她说：“我们是天作之合，我们之间有化学反应。”
For the nature of chemical bond is the problem at the heart of all chemistry.
化学键的本质是全部化学的核心问题。
For the nature of chemical bond is the problem at the heart of all chemistry.
化学键的本质是全部化学的核心问题。
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