It's single atom thick, but stronger than steel.

它只有单个原子厚度，但比钢更强。

A group can be anything from a single atom, to a long chain, to rings.

一组可以是一个单原子、长链或结构环。

The most basic ions, called monatomic ions, are formed from single atoms.

最基本的离子， 称为单原子离子， 由单个原子形成。

I mean, there's not a single extra atom, water molecule above the 2 inch mark.

我的意思是，在 2 英寸标记上方没有一个额外的原子、水分子。

It was the single atom of life that the scene contained, and it only served to render the general loneliness more evident.

这是莽莽荒原上唯一的生命原子，它的存在，使总体的孤寂荒凉越发明显。

[Joseph] So it's just a single atom sheet, there's no z dimension to speak of in graphene.

- [约瑟夫] 所以它只是一个原子片，在石墨烯中没有 z 维度可言。

So the question is this: can you balance a pencil sharpened to a perfect single atom wide tip

所以问题是：你能平衡一支铅笔削成完美的单原子宽笔尖吗？

So instead of belonging to a single atom, they form a kind of sea of electrons, wandering from one nucleus to another.

因此，它们不属于单个原子，而是形成一种电子海洋，从一个原子核游荡到另一个原子核。

It's simple addition for a single atom, rather than an average of all the relative atomic masses of all the silver atoms on Earth.

这是单个原子的简单加法， 而不是地球上所有银原子的所有相对原子质量的平均值。

The ocean of quarks in a proton, inside a single atom of a single cell of your body is as small to you, as you are compared to a sphere around 174 light years across, containing about 16 thousand stars.

夸克粒子存在于质子中，质子位于你身体单个细胞中单个原子中，对你来说，这是十分渺小的，就如同你相对于一个直径约174光年、包含约1.6万颗恒星的球体一样渺小。