In Shell we often work in challenging environments and have to strive to achieve our objectives.

在壳牌，我们经常在一种富有挑战性的环境中工作，并会竭尽全力实现自己的目标。

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Each polyp lives inside a shell of aragonite, a type of calcium carbonate which is the hard shell we recognise as coral.

每一个珊瑚虫都寄生在一个文石壳内。文石是一种碳酸钙，也就是我们所说的珊瑚硬壳。

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We become trapped inside a shell of our own making.

我们会被困在自己制造的壳里。

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"I though it was a good response from the team, we did not just fall back into our shell and just let it all go out the window,"

VOA: standard.2009.06.07

The reason is because we already have a full valence shell for our hydrogen, it doesn't want any more electrons.

原因是因为我们的氢,已经有一个排满的价壳层了，它不再需要多余的电子了。

麻省理工公开课 - 化学原理课程节选

But still, when we're talking about the radial probability distribution, what we actually want to think about is what's the probability of finding the electron in that shell?

但当我们讲到径向概率分布时,我们想做的是考虑，在某一个壳层里,找到电子的概率,就把它想成是蛋壳？

麻省理工公开课 - 化学原理课程节选

By controlling the inner and outer thickness of this metallic shell we can control the wavelength of light that this nanoparticle will absorb.

CNN: Is nanotechnology the key to curing cancer?

But with Shell, we can facilitate a balance between entrepreneurs and corporations with a longer-term view, more patience, and deeper pockets.

FORBES: Innovation in Energy: How Do You Bring Recognition and Money To Good Ideas?

No one pretends that implementing the policy is easy and nor are we saying that we are perfect, but we do believe that by making our policy clear to those inside and outside Shell and publishing information on our progress each year in the Shell Report that we can make a positive contribution.

ECONOMIST: Banishing bribery