By contrast, graphite is soft and slippery because its carbon atoms form "flat" bonds, resulting in sandwiched sheets of atoms that weakly attract one another.

相反，石墨的柔软和易滑脱特性源于它的碳原子形成了“平面的”化学键，导致了三明治式的层片状原子，而层间吸引力很微弱。

youdao

"Yeah, I mean, looking back now it makes complete sense, " she admits, in the soft, flat northern vowels bequeathed to her by a Whitley Bay childhood.

“是的，我是说，现在看来那些观察都是非常重要的，”她承认，带着童年时在惠特利海湾生活所留下的轻软的、平和的北方口音。

youdao

The Mahongwe word manono, for example, means “I like” when spoken soft and flat, and “I don’t like” when the first syllable is a tad sharper in tone.

例如，马宏威语词汇manono，当用温和平缓的语调发音时，意思为“我喜欢”，而当第一个音节发音稍微尖锐时，意思却是“我不喜欢”。

youdao

Unlike kilims, these "pile" carpets are not flat, they are deep and soft because their surfaces are covered with the ends of thousands of pieces of yarn.

VOA: special.2009.11.04

Business can be soft, flat or picking up.

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If you're listening closely, you'll notice that songs streamed over Bluetooth sound a bit flat and soft around the edges.

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The company is seeing weakness in its core business, as well as soft demand for both solar and flat-panel equipment.

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