你施加一个力，材料就会抵抗它，直到你有一个足够大的力来打破化学键。

You apply a force and the material will resist it until you have a force great enough to break the chemical bonds.

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科学家们主要搞不懂的是，手机所释放的无线电波，连打断化学键或扰乱dna的冲击力都没有，又怎么可能导致癌症呢？

Scientists are mostly stumped as to how the radio frequency waves emitted by cellphones, which lack the punch to break chemical bonds or disrupt DNA, might cause cancer.

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氢键不属于化学键，也不属于范德华力，是介于化学键和范德华力之间的一种由氢原子参与成键的特殊键型。

The hydrogen bond does not belong to the chemical bond, neither belong to the van der Waals force. It is a special kind of bond situated between the chemical bond and the van der Waals force.

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氢键不属于化学键，也不属于范德华力，是介于化学键和范德华力之间的一种由氢原子参与成键的特殊键型。

The hydrogen bond does not belong to the chemical bond, neither belong to the van der Waals force. It is a special kind of bond situated between the chemical bond and the van der Waals force.

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